Atomic Number = 1
Atomic Symbol = H
Mass Number = 1
Relative Atomic Mass = 1.00782503207(10)
Isotopic Composition = 0.999885(70)
Standard Atomic Weight = 1.00794(7)
Notes = g,m,r,b,w

Atomic Number = 1
Atomic Symbol = D
Mass Number = 2
Relative Atomic Mass = 2.0141017778(4)
Isotopic Composition = 0.000115(70)
Standard Atomic Weight = 1.00794(7)
Notes = g,m,r,b,w

Atomic Number = 1
Atomic Symbol = T
Mass Number = 3
Relative Atomic Mass = 3.0160492777(25)
Isotopic Composition = 
Standard Atomic Weight = 1.00794(7)
Notes = g,m,r,b,w

Atomic Number = 1
Atomic Symbol = H
Mass Number = 4
Relative Atomic Mass = 4.02781(11)
Isotopic Composition = 
Standard Atomic Weight = 1.00794(7)
Notes = g,m,r,b,w

Atomic Number = 1
Atomic Symbol = H
Mass Number = 5
Relative Atomic Mass = 5.03531(11)
Isotopic Composition = 
Standard Atomic Weight = 1.00794(7)
Notes = g,m,r,b,w

Atomic Number = 1
Atomic Symbol = H
Mass Number = 6
Relative Atomic Mass = 6.04494(28)
Isotopic Composition = 
Standard Atomic Weight = 1.00794(7)
Notes = g,m,r,b,w

Atomic Number = 1
Atomic Symbol = H
Mass Number = 7
Relative Atomic Mass = 7.05275(108)#
Isotopic Composition = 
Standard Atomic Weight = 1.00794(7)
Notes = g,m,r,b,w

Atomic Number = 2
Atomic Symbol = He
Mass Number = 3
Relative Atomic Mass = 3.0160293191(26)
Isotopic Composition = 0.00000134(3)
Standard Atomic Weight = 4.002602(2)
Notes = g,r,a

Atomic Number = 2
Atomic Symbol = He
Mass Number = 4
Relative Atomic Mass = 4.00260325415(6)
Isotopic Composition = 0.99999866(3)
Standard Atomic Weight = 4.002602(2)
Notes = g,r,a

Atomic Number = 2
Atomic Symbol = He
Mass Number = 5
Relative Atomic Mass = 5.012220(50)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r,a

Atomic Number = 2
Atomic Symbol = He
Mass Number = 6
Relative Atomic Mass = 6.0188891(8)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r,a

Atomic Number = 2
Atomic Symbol = He
Mass Number = 7
Relative Atomic Mass = 7.028021(18)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r,a

Atomic Number = 2
Atomic Symbol = He
Mass Number = 8
Relative Atomic Mass = 8.033922(7)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r,a

Atomic Number = 2
Atomic Symbol = He
Mass Number = 9
Relative Atomic Mass = 9.043950(30)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r,a

Atomic Number = 2
Atomic Symbol = He
Mass Number = 10
Relative Atomic Mass = 10.052400(80)
Isotopic Composition = 
Standard Atomic Weight = 4.002602(2)
Notes = g,r,a

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 3
Relative Atomic Mass = 3.03078(215)#
Isotopic Composition = 
Standard Atomic Weight = 6.941(2)
Notes = g,m,r,c,i

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 4
Relative Atomic Mass = 4.02719(23)
Isotopic Composition = 
Standard Atomic Weight = 6.941(2)
Notes = g,m,r,c,i

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 5
Relative Atomic Mass = 5.012540(50)
Isotopic Composition = 
Standard Atomic Weight = 6.941(2)
Notes = g,m,r,c,i

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 6
Relative Atomic Mass = 6.015122795(16)
Isotopic Composition = 0.0759(4)
Standard Atomic Weight = 6.941(2)
Notes = g,m,r,c,i

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 7
Relative Atomic Mass = 7.01600455(8)
Isotopic Composition = 0.9241(4)
Standard Atomic Weight = 6.941(2)
Notes = g,m,r,c,i

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 8
Relative Atomic Mass = 8.02248736(10)
Isotopic Composition = 
Standard Atomic Weight = 6.941(2)
Notes = g,m,r,c,i

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 9
Relative Atomic Mass = 9.0267895(21)
Isotopic Composition = 
Standard Atomic Weight = 6.941(2)
Notes = g,m,r,c,i

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 10
Relative Atomic Mass = 10.035481(16)
Isotopic Composition = 
Standard Atomic Weight = 6.941(2)
Notes = g,m,r,c,i

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 11
Relative Atomic Mass = 11.043798(21)
Isotopic Composition = 
Standard Atomic Weight = 6.941(2)
Notes = g,m,r,c,i

Atomic Number = 3
Atomic Symbol = Li
Mass Number = 12
Relative Atomic Mass = 12.05378(107)#
Isotopic Composition = 
Standard Atomic Weight = 6.941(2)
Notes = g,m,r,c,i

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 5
Relative Atomic Mass = 5.04079(429)#
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 6
Relative Atomic Mass = 6.019726(6)
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 7
Relative Atomic Mass = 7.01692983(11)
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 8
Relative Atomic Mass = 8.00530510(4)
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 9
Relative Atomic Mass = 9.0121822(4)
Isotopic Composition = 1.0000
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 10
Relative Atomic Mass = 10.0135338(4)
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 11
Relative Atomic Mass = 11.021658(7)
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 12
Relative Atomic Mass = 12.026921(16)
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 13
Relative Atomic Mass = 13.035690(80)
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 14
Relative Atomic Mass = 14.04289(14)
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 15
Relative Atomic Mass = 15.05346(54)#
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 4
Atomic Symbol = Be
Mass Number = 16
Relative Atomic Mass = 16.06192(54)#
Isotopic Composition = 
Standard Atomic Weight = 9.012182(3)
Notes =  

Atomic Number = 5
Atomic Symbol = B
Mass Number = 6
Relative Atomic Mass = 6.04681(75)#
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 7
Relative Atomic Mass = 7.029920(80)
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 8
Relative Atomic Mass = 8.0246072(11)
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 9
Relative Atomic Mass = 9.0133288(11)
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 10
Relative Atomic Mass = 10.0129370(4)
Isotopic Composition = 0.199(7)
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 11
Relative Atomic Mass = 11.0093054(4)
Isotopic Composition = 0.801(7)
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 12
Relative Atomic Mass = 12.0143521(15)
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 13
Relative Atomic Mass = 13.0177802(12)
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 14
Relative Atomic Mass = 14.025404(23)
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 15
Relative Atomic Mass = 15.031103(24)
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 16
Relative Atomic Mass = 16.039810(60)
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 17
Relative Atomic Mass = 17.04699(18)
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 18
Relative Atomic Mass = 18.05617(86)#
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 5
Atomic Symbol = B
Mass Number = 19
Relative Atomic Mass = 19.06373(43)#
Isotopic Composition = 
Standard Atomic Weight = 10.811(7)
Notes = g,m,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 8
Relative Atomic Mass = 8.037675(25)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 9
Relative Atomic Mass = 9.0310367(23)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 10
Relative Atomic Mass = 10.0168532(4)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 11
Relative Atomic Mass = 11.0114336(10)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 12
Relative Atomic Mass = 12.0000000(0)
Isotopic Composition = 0.9893(8)
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 13
Relative Atomic Mass = 13.0033548378(10)
Isotopic Composition = 0.0107(8)
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 14
Relative Atomic Mass = 14.003241989(4)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 15
Relative Atomic Mass = 15.0105993(9)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 16
Relative Atomic Mass = 16.014701(4)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 17
Relative Atomic Mass = 17.022586(19)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 18
Relative Atomic Mass = 18.026760(30)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 19
Relative Atomic Mass = 19.03481(11)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 20
Relative Atomic Mass = 20.04032(26)
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 21
Relative Atomic Mass = 21.04934(54)#
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 6
Atomic Symbol = C
Mass Number = 22
Relative Atomic Mass = 22.05720(97)#
Isotopic Composition = 
Standard Atomic Weight = 12.0107(8)
Notes = g,r

Atomic Number = 7
Atomic Symbol = N
Mass Number = 10
Relative Atomic Mass = 10.04165(43)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 11
Relative Atomic Mass = 11.026090(50)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 12
Relative Atomic Mass = 12.0186132(11)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 13
Relative Atomic Mass = 13.00573861(29)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 14
Relative Atomic Mass = 14.0030740048(6)
Isotopic Composition = 0.99636(20)
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 15
Relative Atomic Mass = 15.0001088982(7)
Isotopic Composition = 0.00364(20)
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 16
Relative Atomic Mass = 16.0061017(28)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 17
Relative Atomic Mass = 17.008450(16)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 18
Relative Atomic Mass = 18.014079(20)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 19
Relative Atomic Mass = 19.017029(18)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 20
Relative Atomic Mass = 20.023370(60)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 21
Relative Atomic Mass = 21.02711(10)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 22
Relative Atomic Mass = 22.03439(21)
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 23
Relative Atomic Mass = 23.04122(32)#
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 24
Relative Atomic Mass = 24.05104(43)#
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 7
Atomic Symbol = N
Mass Number = 25
Relative Atomic Mass = 25.06066(54)#
Isotopic Composition = 
Standard Atomic Weight = 14.0067(2)
Notes = g,r,a,d

Atomic Number = 8
Atomic Symbol = O
Mass Number = 12
Relative Atomic Mass = 12.034405(20)
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 13
Relative Atomic Mass = 13.024812(10)
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 14
Relative Atomic Mass = 14.00859625(12)
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 15
Relative Atomic Mass = 15.0030656(5)
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 16
Relative Atomic Mass = 15.99491461956(16)
Isotopic Composition = 0.99757(16)
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 17
Relative Atomic Mass = 16.99913170(12)
Isotopic Composition = 0.00038(1)
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 18
Relative Atomic Mass = 17.9991610(7)
Isotopic Composition = 0.00205(14)
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 19
Relative Atomic Mass = 19.003580(3)
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 20
Relative Atomic Mass = 20.0040767(12)
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 21
Relative Atomic Mass = 21.008656(13)
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 22
Relative Atomic Mass = 22.009970(60)
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 23
Relative Atomic Mass = 23.01569(13)
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 24
Relative Atomic Mass = 24.02047(25)
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 25
Relative Atomic Mass = 25.02946(28)#
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 26
Relative Atomic Mass = 26.03834(28)#
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 27
Relative Atomic Mass = 27.04826(54)#
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 8
Atomic Symbol = O
Mass Number = 28
Relative Atomic Mass = 28.05781(64)#
Isotopic Composition = 
Standard Atomic Weight = 15.9994(3)
Notes = g,r,e,w

Atomic Number = 9
Atomic Symbol = F
Mass Number = 14
Relative Atomic Mass = 14.03506(43)#
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 15
Relative Atomic Mass = 15.01801(14)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 16
Relative Atomic Mass = 16.011466(9)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 17
Relative Atomic Mass = 17.00209524(27)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 18
Relative Atomic Mass = 18.0009380(6)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 19
Relative Atomic Mass = 18.99840322(7)
Isotopic Composition = 1.0000
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 20
Relative Atomic Mass = 19.99998132(8)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 21
Relative Atomic Mass = 20.9999490(19)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 22
Relative Atomic Mass = 22.002999(13)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 23
Relative Atomic Mass = 23.003570(90)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 24
Relative Atomic Mass = 24.008120(80)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 25
Relative Atomic Mass = 25.01210(11)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 26
Relative Atomic Mass = 26.01962(18)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 27
Relative Atomic Mass = 27.02676(40)
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 28
Relative Atomic Mass = 28.03567(55)#
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 29
Relative Atomic Mass = 29.04326(62)#
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 30
Relative Atomic Mass = 30.05250(64)#
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 9
Atomic Symbol = F
Mass Number = 31
Relative Atomic Mass = 31.06043(64)#
Isotopic Composition = 
Standard Atomic Weight = 18.9984032(5)
Notes =  

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 16
Relative Atomic Mass = 16.025761(22)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 17
Relative Atomic Mass = 17.017672(29)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 18
Relative Atomic Mass = 18.0057082(3)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 19
Relative Atomic Mass = 19.0018802(3)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 20
Relative Atomic Mass = 19.9924401754(19)
Isotopic Composition = 0.9048(3)
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 21
Relative Atomic Mass = 20.99384668(4)
Isotopic Composition = 0.0027(1)
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 22
Relative Atomic Mass = 21.991385114(19)
Isotopic Composition = 0.0925(3)
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 23
Relative Atomic Mass = 22.99446690(11)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 24
Relative Atomic Mass = 23.9936108(4)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 25
Relative Atomic Mass = 24.997737(28)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 26
Relative Atomic Mass = 26.000461(29)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 27
Relative Atomic Mass = 27.00759(12)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 28
Relative Atomic Mass = 28.01207(16)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 29
Relative Atomic Mass = 29.01939(29)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 30
Relative Atomic Mass = 30.02480(61)
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 31
Relative Atomic Mass = 31.03311(97)#
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 32
Relative Atomic Mass = 32.04002(86)#
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 33
Relative Atomic Mass = 33.04938(86)#
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 10
Atomic Symbol = Ne
Mass Number = 34
Relative Atomic Mass = 34.05703(87)#
Isotopic Composition = 
Standard Atomic Weight = 20.1797(6)
Notes = g,m,a

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 18
Relative Atomic Mass = 18.025970(50)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 19
Relative Atomic Mass = 19.013877(13)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 20
Relative Atomic Mass = 20.007351(7)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 21
Relative Atomic Mass = 20.9976552(8)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 22
Relative Atomic Mass = 21.9944364(4)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 23
Relative Atomic Mass = 22.9897692809(29)
Isotopic Composition = 1.0000
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 24
Relative Atomic Mass = 23.99096278(8)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 25
Relative Atomic Mass = 24.9899540(13)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 26
Relative Atomic Mass = 25.992633(6)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 27
Relative Atomic Mass = 26.994077(4)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 28
Relative Atomic Mass = 27.998938(14)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 29
Relative Atomic Mass = 29.002861(14)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 30
Relative Atomic Mass = 30.008976(27)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 31
Relative Atomic Mass = 31.01359(23)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 32
Relative Atomic Mass = 32.02047(38)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 33
Relative Atomic Mass = 33.02672(94)
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 34
Relative Atomic Mass = 34.03517(96)#
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 35
Relative Atomic Mass = 35.04249(102)#
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 36
Relative Atomic Mass = 36.05148(102)#
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 11
Atomic Symbol = Na
Mass Number = 37
Relative Atomic Mass = 37.05934(103)#
Isotopic Composition = 
Standard Atomic Weight = 22.98976928(2)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 19
Relative Atomic Mass = 19.03547(27)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 20
Relative Atomic Mass = 20.018863(29)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 21
Relative Atomic Mass = 21.011713(18)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 22
Relative Atomic Mass = 21.9995738(14)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 23
Relative Atomic Mass = 22.9941237(14)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 24
Relative Atomic Mass = 23.985041700(14)
Isotopic Composition = 0.7899(4)
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 25
Relative Atomic Mass = 24.98583692(3)
Isotopic Composition = 0.1000(1)
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 26
Relative Atomic Mass = 25.982592929(30)
Isotopic Composition = 0.1101(3)
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 27
Relative Atomic Mass = 26.98434059(5)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 28
Relative Atomic Mass = 27.9838768(22)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 29
Relative Atomic Mass = 28.988600(15)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 30
Relative Atomic Mass = 29.990434(9)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 31
Relative Atomic Mass = 30.996546(13)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 32
Relative Atomic Mass = 31.998975(19)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 33
Relative Atomic Mass = 33.005254(21)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 34
Relative Atomic Mass = 34.00946(25)
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 35
Relative Atomic Mass = 35.01734(43)#
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 36
Relative Atomic Mass = 36.02300(54)#
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 37
Relative Atomic Mass = 37.03140(97)#
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 38
Relative Atomic Mass = 38.03757(54)#
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 39
Relative Atomic Mass = 39.04677(55)#
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 12
Atomic Symbol = Mg
Mass Number = 40
Relative Atomic Mass = 40.05393(97)#
Isotopic Composition = 
Standard Atomic Weight = 24.3050(6)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 21
Relative Atomic Mass = 21.02804(32)#
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 22
Relative Atomic Mass = 22.01952(10)#
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 23
Relative Atomic Mass = 23.007267(20)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 24
Relative Atomic Mass = 23.9999389(30)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 25
Relative Atomic Mass = 24.9904281(5)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 26
Relative Atomic Mass = 25.98689169(6)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 27
Relative Atomic Mass = 26.98153863(12)
Isotopic Composition = 1.0000
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 28
Relative Atomic Mass = 27.98191031(14)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 29
Relative Atomic Mass = 28.9804450(13)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 30
Relative Atomic Mass = 29.982960(15)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 31
Relative Atomic Mass = 30.983947(22)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 32
Relative Atomic Mass = 31.988120(90)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 33
Relative Atomic Mass = 32.990840(80)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 34
Relative Atomic Mass = 33.99685(12)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 35
Relative Atomic Mass = 34.99986(19)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 36
Relative Atomic Mass = 36.00621(23)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 37
Relative Atomic Mass = 37.01068(36)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 38
Relative Atomic Mass = 38.01723(78)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 39
Relative Atomic Mass = 39.02297(158)
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 40
Relative Atomic Mass = 40.03145(75)#
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 41
Relative Atomic Mass = 41.03833(86)#
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 13
Atomic Symbol = Al
Mass Number = 42
Relative Atomic Mass = 42.04689(97)#
Isotopic Composition = 
Standard Atomic Weight = 26.9815386(8)
Notes =  

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 22
Relative Atomic Mass = 22.03453(22)#
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 23
Relative Atomic Mass = 23.02552(21)#
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 24
Relative Atomic Mass = 24.011546(21)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 25
Relative Atomic Mass = 25.004106(11)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 26
Relative Atomic Mass = 25.992330(3)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 27
Relative Atomic Mass = 26.98670491(16)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 28
Relative Atomic Mass = 27.9769265325(19)
Isotopic Composition = 0.92223(19)
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 29
Relative Atomic Mass = 28.976494700(22)
Isotopic Composition = 0.04685(8)
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 30
Relative Atomic Mass = 29.97377017(3)
Isotopic Composition = 0.03092(11)
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 31
Relative Atomic Mass = 30.97536323(4)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 32
Relative Atomic Mass = 31.97414808(5)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 33
Relative Atomic Mass = 32.978000(17)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 34
Relative Atomic Mass = 33.978576(15)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 35
Relative Atomic Mass = 34.984580(40)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 36
Relative Atomic Mass = 35.98660(13)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 37
Relative Atomic Mass = 36.99294(18)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 38
Relative Atomic Mass = 37.99563(15)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 39
Relative Atomic Mass = 39.00207(36)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 40
Relative Atomic Mass = 40.00587(60)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 41
Relative Atomic Mass = 41.01456(198)
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 42
Relative Atomic Mass = 42.01979(54)#
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 43
Relative Atomic Mass = 43.02866(75)#
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 14
Atomic Symbol = Si
Mass Number = 44
Relative Atomic Mass = 44.03526(86)#
Isotopic Composition = 
Standard Atomic Weight = 28.0855(3)
Notes = r

Atomic Number = 15
Atomic Symbol = P
Mass Number = 24
Relative Atomic Mass = 24.03435(54)#
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 25
Relative Atomic Mass = 25.02026(21)#
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 26
Relative Atomic Mass = 26.01178(21)#
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 27
Relative Atomic Mass = 26.999230(28)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 28
Relative Atomic Mass = 27.992315(4)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 29
Relative Atomic Mass = 28.9818006(6)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 30
Relative Atomic Mass = 29.9783138(3)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 31
Relative Atomic Mass = 30.97376163(20)
Isotopic Composition = 1.0000
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 32
Relative Atomic Mass = 31.97390727(20)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 33
Relative Atomic Mass = 32.9717255(12)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 34
Relative Atomic Mass = 33.973636(5)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 35
Relative Atomic Mass = 34.9733141(20)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 36
Relative Atomic Mass = 35.978260(14)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 37
Relative Atomic Mass = 36.979610(40)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 38
Relative Atomic Mass = 37.98416(11)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 39
Relative Atomic Mass = 38.98618(11)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 40
Relative Atomic Mass = 39.99130(15)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 41
Relative Atomic Mass = 40.99434(23)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 42
Relative Atomic Mass = 42.00101(48)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 43
Relative Atomic Mass = 43.00619(104)
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 44
Relative Atomic Mass = 44.01299(75)#
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 45
Relative Atomic Mass = 45.01922(86)#
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 15
Atomic Symbol = P
Mass Number = 46
Relative Atomic Mass = 46.02738(97)#
Isotopic Composition = 
Standard Atomic Weight = 30.973762(2)
Notes =  

Atomic Number = 16
Atomic Symbol = S
Mass Number = 26
Relative Atomic Mass = 26.02788(32)#
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 27
Relative Atomic Mass = 27.01883(22)#
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 28
Relative Atomic Mass = 28.00437(17)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 29
Relative Atomic Mass = 28.996610(50)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 30
Relative Atomic Mass = 29.984903(3)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 31
Relative Atomic Mass = 30.9795547(16)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 32
Relative Atomic Mass = 31.97207100(15)
Isotopic Composition = 0.9499(26)
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 33
Relative Atomic Mass = 32.97145876(15)
Isotopic Composition = 0.0075(2)
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 34
Relative Atomic Mass = 33.96786690(12)
Isotopic Composition = 0.0425(24)
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 35
Relative Atomic Mass = 34.96903216(11)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 36
Relative Atomic Mass = 35.96708076(20)
Isotopic Composition = 0.0001(1)
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 37
Relative Atomic Mass = 36.97112557(21)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 38
Relative Atomic Mass = 37.971163(8)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 39
Relative Atomic Mass = 38.975130(50)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 40
Relative Atomic Mass = 39.97545(15)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 41
Relative Atomic Mass = 40.97958(13)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 42
Relative Atomic Mass = 41.98102(13)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 43
Relative Atomic Mass = 42.98715(22)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 44
Relative Atomic Mass = 43.99021(42)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 45
Relative Atomic Mass = 44.99651(187)
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 46
Relative Atomic Mass = 46.00075(75)#
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 47
Relative Atomic Mass = 47.00859(86)#
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 48
Relative Atomic Mass = 48.01417(97)#
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 16
Atomic Symbol = S
Mass Number = 49
Relative Atomic Mass = 49.02362(102)#
Isotopic Composition = 
Standard Atomic Weight = 32.065(5)
Notes = g,r

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 28
Relative Atomic Mass = 28.02851(54)#
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 29
Relative Atomic Mass = 29.01411(21)#
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 30
Relative Atomic Mass = 30.00477(21)#
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 31
Relative Atomic Mass = 30.992410(50)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 32
Relative Atomic Mass = 31.985690(7)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 33
Relative Atomic Mass = 32.9774519(5)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 34
Relative Atomic Mass = 33.97376282(19)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 35
Relative Atomic Mass = 34.96885268(4)
Isotopic Composition = 0.7576(10)
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 36
Relative Atomic Mass = 35.96830698(8)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 37
Relative Atomic Mass = 36.96590259(5)
Isotopic Composition = 0.2424(10)
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 38
Relative Atomic Mass = 37.96801043(10)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 39
Relative Atomic Mass = 38.9680082(19)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 40
Relative Atomic Mass = 39.970420(30)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 41
Relative Atomic Mass = 40.970680(70)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 42
Relative Atomic Mass = 41.97325(15)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 43
Relative Atomic Mass = 42.97405(17)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 44
Relative Atomic Mass = 43.97828(12)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 45
Relative Atomic Mass = 44.98029(13)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 46
Relative Atomic Mass = 45.98421(77)
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 47
Relative Atomic Mass = 46.98871(64)#
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 48
Relative Atomic Mass = 47.99495(75)#
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 49
Relative Atomic Mass = 49.00032(86)#
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 50
Relative Atomic Mass = 50.00784(97)#
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 17
Atomic Symbol = Cl
Mass Number = 51
Relative Atomic Mass = 51.01449(107)#
Isotopic Composition = 
Standard Atomic Weight = 35.453(2)
Notes = m

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 30
Relative Atomic Mass = 30.02156(32)#
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 31
Relative Atomic Mass = 31.01212(22)#
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 32
Relative Atomic Mass = 31.9976380(19)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 33
Relative Atomic Mass = 32.9899257(5)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 34
Relative Atomic Mass = 33.9802712(4)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 35
Relative Atomic Mass = 34.9752576(8)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 36
Relative Atomic Mass = 35.967545106(29)
Isotopic Composition = 0.003365(30)
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 37
Relative Atomic Mass = 36.96677632(22)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 38
Relative Atomic Mass = 37.9627324(4)
Isotopic Composition = 0.000632(5)
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 39
Relative Atomic Mass = 38.964313(5)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 40
Relative Atomic Mass = 39.9623831225(29)
Isotopic Composition = 0.996003(30)
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 41
Relative Atomic Mass = 40.9645006(4)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 42
Relative Atomic Mass = 41.963046(6)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 43
Relative Atomic Mass = 42.965636(6)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 44
Relative Atomic Mass = 43.9649240(17)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 45
Relative Atomic Mass = 44.9680400(6)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 46
Relative Atomic Mass = 45.968090(40)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 47
Relative Atomic Mass = 46.97219(11)
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 48
Relative Atomic Mass = 47.97454(32)#
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 49
Relative Atomic Mass = 48.98052(54)#
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 50
Relative Atomic Mass = 49.98443(75)#
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 51
Relative Atomic Mass = 50.99163(75)#
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 52
Relative Atomic Mass = 51.99678(97)#
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 18
Atomic Symbol = Ar
Mass Number = 53
Relative Atomic Mass = 53.00494(107)#
Isotopic Composition = 
Standard Atomic Weight = 39.948(1)
Notes = g,r,a

Atomic Number = 19
Atomic Symbol = K
Mass Number = 32
Relative Atomic Mass = 32.02192(54)#
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 33
Relative Atomic Mass = 33.00726(21)#
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 34
Relative Atomic Mass = 33.99841(32)#
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 35
Relative Atomic Mass = 34.988010(21)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 36
Relative Atomic Mass = 35.981292(8)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 37
Relative Atomic Mass = 36.97337589(10)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 38
Relative Atomic Mass = 37.9690812(5)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 39
Relative Atomic Mass = 38.96370668(20)
Isotopic Composition = 0.932581(44)
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 40
Relative Atomic Mass = 39.96399848(21)
Isotopic Composition = 0.000117(1)
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 41
Relative Atomic Mass = 40.96182576(21)
Isotopic Composition = 0.067302(44)
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 42
Relative Atomic Mass = 41.96240281(24)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 43
Relative Atomic Mass = 42.960716(10)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 44
Relative Atomic Mass = 43.961560(40)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 45
Relative Atomic Mass = 44.960699(11)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 46
Relative Atomic Mass = 45.961977(17)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 47
Relative Atomic Mass = 46.961678(9)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 48
Relative Atomic Mass = 47.965514(26)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 49
Relative Atomic Mass = 48.967450(80)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 50
Relative Atomic Mass = 49.97278(30)
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 51
Relative Atomic Mass = 50.97638(54)#
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 52
Relative Atomic Mass = 51.98261(75)#
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 53
Relative Atomic Mass = 52.98712(75)#
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 54
Relative Atomic Mass = 53.99420(97)#
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 19
Atomic Symbol = K
Mass Number = 55
Relative Atomic Mass = 54.99971(107)#
Isotopic Composition = 
Standard Atomic Weight = 39.0983(1)
Notes = g

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 34
Relative Atomic Mass = 34.01412(32)#
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 35
Relative Atomic Mass = 35.00494(21)#
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 36
Relative Atomic Mass = 35.993090(40)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 37
Relative Atomic Mass = 36.985870(24)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 38
Relative Atomic Mass = 37.976318(5)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 39
Relative Atomic Mass = 38.9707197(20)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 40
Relative Atomic Mass = 39.96259098(22)
Isotopic Composition = 0.96941(156)
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 41
Relative Atomic Mass = 40.96227806(26)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 42
Relative Atomic Mass = 41.95861801(27)
Isotopic Composition = 0.00647(23)
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 43
Relative Atomic Mass = 42.9587666(3)
Isotopic Composition = 0.00135(10)
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 44
Relative Atomic Mass = 43.9554818(4)
Isotopic Composition = 0.02086(110)
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 45
Relative Atomic Mass = 44.9561866(4)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 46
Relative Atomic Mass = 45.9536926(24)
Isotopic Composition = 0.00004(3)
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 47
Relative Atomic Mass = 46.9545460(24)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 48
Relative Atomic Mass = 47.952534(4)
Isotopic Composition = 0.00187(21)
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 49
Relative Atomic Mass = 48.955674(4)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 50
Relative Atomic Mass = 49.957519(10)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 51
Relative Atomic Mass = 50.96150(10)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 52
Relative Atomic Mass = 51.96510(75)
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 53
Relative Atomic Mass = 52.97005(54)#
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 54
Relative Atomic Mass = 53.97435(75)#
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 55
Relative Atomic Mass = 54.98055(75)#
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 56
Relative Atomic Mass = 55.98557(97)#
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 20
Atomic Symbol = Ca
Mass Number = 57
Relative Atomic Mass = 56.99236(107)#
Isotopic Composition = 
Standard Atomic Weight = 40.078(4)
Notes = g,f

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 36
Relative Atomic Mass = 36.01492(54)#
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 37
Relative Atomic Mass = 37.00305(32)#
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 38
Relative Atomic Mass = 37.99470(32)#
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 39
Relative Atomic Mass = 38.984790(26)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 40
Relative Atomic Mass = 39.977967(3)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 41
Relative Atomic Mass = 40.96925113(24)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 42
Relative Atomic Mass = 41.96551643(29)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 43
Relative Atomic Mass = 42.9611507(20)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 44
Relative Atomic Mass = 43.9594028(19)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 45
Relative Atomic Mass = 44.9559119(9)
Isotopic Composition = 1.0000
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 46
Relative Atomic Mass = 45.9551719(9)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 47
Relative Atomic Mass = 46.9524075(22)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 48
Relative Atomic Mass = 47.952231(6)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 49
Relative Atomic Mass = 48.950024(4)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 50
Relative Atomic Mass = 49.952188(17)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 51
Relative Atomic Mass = 50.953603(22)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 52
Relative Atomic Mass = 51.95668(21)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 53
Relative Atomic Mass = 52.95961(32)#
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 54
Relative Atomic Mass = 53.96326(40)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 55
Relative Atomic Mass = 54.96824(79)
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 56
Relative Atomic Mass = 55.97287(75)#
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 57
Relative Atomic Mass = 56.97779(75)#
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 58
Relative Atomic Mass = 57.98371(86)#
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 59
Relative Atomic Mass = 58.98922(97)#
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 21
Atomic Symbol = Sc
Mass Number = 60
Relative Atomic Mass = 59.99571(97)#
Isotopic Composition = 
Standard Atomic Weight = 44.955912(6)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 38
Relative Atomic Mass = 38.00977(27)#
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 39
Relative Atomic Mass = 39.00161(22)#
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 40
Relative Atomic Mass = 39.99050(17)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 41
Relative Atomic Mass = 40.98315(11)#
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 42
Relative Atomic Mass = 41.973031(6)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 43
Relative Atomic Mass = 42.968522(7)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 44
Relative Atomic Mass = 43.9596901(8)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 45
Relative Atomic Mass = 44.9581256(11)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 46
Relative Atomic Mass = 45.9526316(9)
Isotopic Composition = 0.0825(3)
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 47
Relative Atomic Mass = 46.9517631(9)
Isotopic Composition = 0.0744(2)
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 48
Relative Atomic Mass = 47.9479463(9)
Isotopic Composition = 0.7372(3)
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 49
Relative Atomic Mass = 48.9478700(9)
Isotopic Composition = 0.0541(2)
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 50
Relative Atomic Mass = 49.9447912(9)
Isotopic Composition = 0.0518(2)
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 51
Relative Atomic Mass = 50.9466150(10)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 52
Relative Atomic Mass = 51.946897(8)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 53
Relative Atomic Mass = 52.94973(11)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 54
Relative Atomic Mass = 53.95105(13)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 55
Relative Atomic Mass = 54.95527(16)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 56
Relative Atomic Mass = 55.95820(21)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 57
Relative Atomic Mass = 56.96399(49)
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 58
Relative Atomic Mass = 57.96697(75)#
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 59
Relative Atomic Mass = 58.97293(75)#
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 60
Relative Atomic Mass = 59.97676(86)#
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 61
Relative Atomic Mass = 60.98320(97)#
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 62
Relative Atomic Mass = 61.98749(97)#
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 22
Atomic Symbol = Ti
Mass Number = 63
Relative Atomic Mass = 62.99442(107)#
Isotopic Composition = 
Standard Atomic Weight = 47.867(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 40
Relative Atomic Mass = 40.01109(54)#
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 41
Relative Atomic Mass = 40.99978(22)#
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 42
Relative Atomic Mass = 41.99123(21)#
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 43
Relative Atomic Mass = 42.98065(25)#
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 44
Relative Atomic Mass = 43.97411(13)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 45
Relative Atomic Mass = 44.965776(18)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 46
Relative Atomic Mass = 45.9602005(11)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 47
Relative Atomic Mass = 46.9549089(9)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 48
Relative Atomic Mass = 47.9522537(27)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 49
Relative Atomic Mass = 48.9485161(12)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 50
Relative Atomic Mass = 49.9471585(11)
Isotopic Composition = 0.00250(4)
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 51
Relative Atomic Mass = 50.9439595(11)
Isotopic Composition = 0.99750(4)
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 52
Relative Atomic Mass = 51.9447755(11)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 53
Relative Atomic Mass = 52.944338(3)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 54
Relative Atomic Mass = 53.946440(16)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 55
Relative Atomic Mass = 54.94723(11)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 56
Relative Atomic Mass = 55.95053(22)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 57
Relative Atomic Mass = 56.95256(25)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 58
Relative Atomic Mass = 57.95683(27)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 59
Relative Atomic Mass = 58.96021(33)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 60
Relative Atomic Mass = 59.96503(51)
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 61
Relative Atomic Mass = 60.96848(43)#
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 62
Relative Atomic Mass = 61.97378(54)#
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 63
Relative Atomic Mass = 62.97755(64)#
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 64
Relative Atomic Mass = 63.98347(75)#
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 23
Atomic Symbol = V
Mass Number = 65
Relative Atomic Mass = 64.98792(86)#
Isotopic Composition = 
Standard Atomic Weight = 50.9415(1)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 42
Relative Atomic Mass = 42.00643(32)#
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 43
Relative Atomic Mass = 42.99771(24)#
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 44
Relative Atomic Mass = 43.985550(50)#
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 45
Relative Atomic Mass = 44.97964(54)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 46
Relative Atomic Mass = 45.968359(21)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 47
Relative Atomic Mass = 46.962900(15)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 48
Relative Atomic Mass = 47.954032(8)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 49
Relative Atomic Mass = 48.9513357(26)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 50
Relative Atomic Mass = 49.9460442(11)
Isotopic Composition = 0.04345(13)
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 51
Relative Atomic Mass = 50.9447674(11)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 52
Relative Atomic Mass = 51.9405075(8)
Isotopic Composition = 0.83789(18)
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 53
Relative Atomic Mass = 52.9406494(8)
Isotopic Composition = 0.09501(17)
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 54
Relative Atomic Mass = 53.9388804(8)
Isotopic Composition = 0.02365(7)
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 55
Relative Atomic Mass = 54.9408397(8)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 56
Relative Atomic Mass = 55.9406531(20)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 57
Relative Atomic Mass = 56.9436130(20)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 58
Relative Atomic Mass = 57.94435(22)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 59
Relative Atomic Mass = 58.94859(26)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 60
Relative Atomic Mass = 59.95008(23)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 61
Relative Atomic Mass = 60.95472(27)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 62
Relative Atomic Mass = 61.95661(36)
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 63
Relative Atomic Mass = 62.96186(32)#
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 64
Relative Atomic Mass = 63.96441(43)#
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 65
Relative Atomic Mass = 64.97016(54)#
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 66
Relative Atomic Mass = 65.97338(64)#
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 24
Atomic Symbol = Cr
Mass Number = 67
Relative Atomic Mass = 66.97955(75)#
Isotopic Composition = 
Standard Atomic Weight = 51.9961(6)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 44
Relative Atomic Mass = 44.00687(54)#
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 45
Relative Atomic Mass = 44.99451(32)#
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 46
Relative Atomic Mass = 45.98672(12)#
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 47
Relative Atomic Mass = 46.97610(17)#
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 48
Relative Atomic Mass = 47.96852(12)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 49
Relative Atomic Mass = 48.959618(26)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 50
Relative Atomic Mass = 49.9542382(11)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 51
Relative Atomic Mass = 50.9482108(11)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 52
Relative Atomic Mass = 51.9455655(21)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 53
Relative Atomic Mass = 52.9412901(9)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 54
Relative Atomic Mass = 53.9403589(14)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 55
Relative Atomic Mass = 54.9380451(7)
Isotopic Composition = 1.0000
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 56
Relative Atomic Mass = 55.9389049(7)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 57
Relative Atomic Mass = 56.9382854(20)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 58
Relative Atomic Mass = 57.939980(30)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 59
Relative Atomic Mass = 58.940440(30)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 60
Relative Atomic Mass = 59.942910(90)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 61
Relative Atomic Mass = 60.94465(24)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 62
Relative Atomic Mass = 61.94843(24)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 63
Relative Atomic Mass = 62.95024(28)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 64
Relative Atomic Mass = 63.95425(29)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 65
Relative Atomic Mass = 64.95634(58)
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 66
Relative Atomic Mass = 65.96108(43)#
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 67
Relative Atomic Mass = 66.96414(54)#
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 68
Relative Atomic Mass = 67.96930(64)#
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 25
Atomic Symbol = Mn
Mass Number = 69
Relative Atomic Mass = 68.97284(86)#
Isotopic Composition = 
Standard Atomic Weight = 54.938045(5)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 45
Relative Atomic Mass = 45.01458(24)#
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 46
Relative Atomic Mass = 46.00081(38)#
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 47
Relative Atomic Mass = 46.99289(28)#
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 48
Relative Atomic Mass = 47.980500(80)#
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 49
Relative Atomic Mass = 48.97361(16)#
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 50
Relative Atomic Mass = 49.962990(60)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 51
Relative Atomic Mass = 50.956820(16)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 52
Relative Atomic Mass = 51.948114(7)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 53
Relative Atomic Mass = 52.9453079(19)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 54
Relative Atomic Mass = 53.9396105(7)
Isotopic Composition = 0.05845(35)
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 55
Relative Atomic Mass = 54.9382934(7)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 56
Relative Atomic Mass = 55.9349375(7)
Isotopic Composition = 0.91754(36)
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 57
Relative Atomic Mass = 56.9353940(7)
Isotopic Composition = 0.02119(10)
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 58
Relative Atomic Mass = 57.9332756(8)
Isotopic Composition = 0.00282(4)
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 59
Relative Atomic Mass = 58.9348755(8)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 60
Relative Atomic Mass = 59.934072(4)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 61
Relative Atomic Mass = 60.936745(21)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 62
Relative Atomic Mass = 61.936767(16)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 63
Relative Atomic Mass = 62.94037(18)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 64
Relative Atomic Mass = 63.94120(30)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 65
Relative Atomic Mass = 64.94538(26)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 66
Relative Atomic Mass = 65.94678(32)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 67
Relative Atomic Mass = 66.95095(45)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 68
Relative Atomic Mass = 67.95370(75)
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 69
Relative Atomic Mass = 68.95878(54)#
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 70
Relative Atomic Mass = 69.96146(64)#
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 71
Relative Atomic Mass = 70.96672(86)#
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 26
Atomic Symbol = Fe
Mass Number = 72
Relative Atomic Mass = 71.96962(86)#
Isotopic Composition = 
Standard Atomic Weight = 55.845(2)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 47
Relative Atomic Mass = 47.01149(54)#
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 48
Relative Atomic Mass = 48.00176(43)#
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 49
Relative Atomic Mass = 48.98972(28)#
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 50
Relative Atomic Mass = 49.98154(18)#
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 51
Relative Atomic Mass = 50.97072(16)#
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 52
Relative Atomic Mass = 51.963590(70)#
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 53
Relative Atomic Mass = 52.954219(19)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 54
Relative Atomic Mass = 53.9484596(8)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 55
Relative Atomic Mass = 54.9419990(8)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 56
Relative Atomic Mass = 55.9398393(23)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 57
Relative Atomic Mass = 56.9362914(8)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 58
Relative Atomic Mass = 57.9357528(13)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 59
Relative Atomic Mass = 58.9331950(7)
Isotopic Composition = 1.0000
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 60
Relative Atomic Mass = 59.9338171(7)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 61
Relative Atomic Mass = 60.9324758(10)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 62
Relative Atomic Mass = 61.934051(21)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 63
Relative Atomic Mass = 62.933612(21)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 64
Relative Atomic Mass = 63.935810(21)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 65
Relative Atomic Mass = 64.936478(14)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 66
Relative Atomic Mass = 65.93976(27)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 67
Relative Atomic Mass = 66.94089(34)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 68
Relative Atomic Mass = 67.94487(34)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 69
Relative Atomic Mass = 68.94632(36)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 70
Relative Atomic Mass = 69.95100(90)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 71
Relative Atomic Mass = 70.95290(90)
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 72
Relative Atomic Mass = 71.95781(64)#
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 73
Relative Atomic Mass = 72.96024(75)#
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 74
Relative Atomic Mass = 73.96538(86)#
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 27
Atomic Symbol = Co
Mass Number = 75
Relative Atomic Mass = 74.96833(86)#
Isotopic Composition = 
Standard Atomic Weight = 58.933195(5)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 48
Relative Atomic Mass = 48.01975(54)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 49
Relative Atomic Mass = 49.00966(43)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 50
Relative Atomic Mass = 49.99593(28)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 51
Relative Atomic Mass = 50.98772(28)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 52
Relative Atomic Mass = 51.975680(90)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 53
Relative Atomic Mass = 52.96847(17)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 54
Relative Atomic Mass = 53.957910(50)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 55
Relative Atomic Mass = 54.951330(12)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 56
Relative Atomic Mass = 55.942132(12)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 57
Relative Atomic Mass = 56.9397935(19)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 58
Relative Atomic Mass = 57.9353429(7)
Isotopic Composition = 0.680769(89)
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 59
Relative Atomic Mass = 58.9343467(7)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 60
Relative Atomic Mass = 59.9307864(7)
Isotopic Composition = 0.262231(77)
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 61
Relative Atomic Mass = 60.9310560(7)
Isotopic Composition = 0.011399(6)
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 62
Relative Atomic Mass = 61.9283451(6)
Isotopic Composition = 0.036345(17)
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 63
Relative Atomic Mass = 62.9296694(6)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 64
Relative Atomic Mass = 63.9279660(7)
Isotopic Composition = 0.009256(9)
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 65
Relative Atomic Mass = 64.9300843(7)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 66
Relative Atomic Mass = 65.9291393(15)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 67
Relative Atomic Mass = 66.931569(3)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 68
Relative Atomic Mass = 67.931869(3)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 69
Relative Atomic Mass = 68.935610(4)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 70
Relative Atomic Mass = 69.93650(37)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 71
Relative Atomic Mass = 70.94074(40)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 72
Relative Atomic Mass = 71.94209(47)
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 73
Relative Atomic Mass = 72.94647(32)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 74
Relative Atomic Mass = 73.94807(43)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 75
Relative Atomic Mass = 74.95287(43)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 76
Relative Atomic Mass = 75.95533(97)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 77
Relative Atomic Mass = 76.96055(54)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 28
Atomic Symbol = Ni
Mass Number = 78
Relative Atomic Mass = 77.96318(118)#
Isotopic Composition = 
Standard Atomic Weight = 58.6934(4)
Notes =  

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 52
Relative Atomic Mass = 51.99718(28)#
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 53
Relative Atomic Mass = 52.98555(28)#
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 54
Relative Atomic Mass = 53.97671(23)#
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 55
Relative Atomic Mass = 54.96605(32)#
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 56
Relative Atomic Mass = 55.95856(15)#
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 57
Relative Atomic Mass = 56.949211(17)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 58
Relative Atomic Mass = 57.9445385(17)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 59
Relative Atomic Mass = 58.9394980(8)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 60
Relative Atomic Mass = 59.9373650(18)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 61
Relative Atomic Mass = 60.9334578(11)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 62
Relative Atomic Mass = 61.932584(4)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 63
Relative Atomic Mass = 62.9295975(6)
Isotopic Composition = 0.6915(15)
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 64
Relative Atomic Mass = 63.9297642(6)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 65
Relative Atomic Mass = 64.9277895(7)
Isotopic Composition = 0.3085(15)
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 66
Relative Atomic Mass = 65.9288688(7)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 67
Relative Atomic Mass = 66.9277303(13)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 68
Relative Atomic Mass = 67.9296109(17)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 69
Relative Atomic Mass = 68.9294293(15)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 70
Relative Atomic Mass = 69.9323923(17)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 71
Relative Atomic Mass = 70.9326768(16)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 72
Relative Atomic Mass = 71.9358203(15)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 73
Relative Atomic Mass = 72.936675(4)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 74
Relative Atomic Mass = 73.939875(7)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 75
Relative Atomic Mass = 74.94190(105)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 76
Relative Atomic Mass = 75.945275(7)
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 77
Relative Atomic Mass = 76.94785(43)#
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 78
Relative Atomic Mass = 77.95196(43)#
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 79
Relative Atomic Mass = 78.95456(54)#
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 29
Atomic Symbol = Cu
Mass Number = 80
Relative Atomic Mass = 79.96087(64)#
Isotopic Composition = 
Standard Atomic Weight = 63.546(3)
Notes = r

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 54
Relative Atomic Mass = 53.99295(43)#
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 55
Relative Atomic Mass = 54.98398(27)#
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 56
Relative Atomic Mass = 55.97238(28)#
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 57
Relative Atomic Mass = 56.96479(11)#
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 58
Relative Atomic Mass = 57.954590(50)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 59
Relative Atomic Mass = 58.949260(40)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 60
Relative Atomic Mass = 59.941827(11)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 61
Relative Atomic Mass = 60.939511(17)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 62
Relative Atomic Mass = 61.934330(11)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 63
Relative Atomic Mass = 62.9332116(17)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 64
Relative Atomic Mass = 63.9291422(7)
Isotopic Composition = 0.48268(321)
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 65
Relative Atomic Mass = 64.9292410(7)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 66
Relative Atomic Mass = 65.9260334(10)
Isotopic Composition = 0.27975(77)
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 67
Relative Atomic Mass = 66.9271273(10)
Isotopic Composition = 0.04102(21)
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 68
Relative Atomic Mass = 67.9248442(10)
Isotopic Composition = 0.19024(123)
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 69
Relative Atomic Mass = 68.9265503(10)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 70
Relative Atomic Mass = 69.9253193(21)
Isotopic Composition = 0.00631(9)
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 71
Relative Atomic Mass = 70.927722(11)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 72
Relative Atomic Mass = 71.926858(7)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 73
Relative Atomic Mass = 72.929780(40)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 74
Relative Atomic Mass = 73.929460(50)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 75
Relative Atomic Mass = 74.932940(80)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 76
Relative Atomic Mass = 75.933290(90)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 77
Relative Atomic Mass = 76.93696(13)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 78
Relative Atomic Mass = 77.93844(10)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 79
Relative Atomic Mass = 78.94265(28)#
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 80
Relative Atomic Mass = 79.94434(18)
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 81
Relative Atomic Mass = 80.95048(32)#
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 82
Relative Atomic Mass = 81.95442(54)#
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 30
Atomic Symbol = Zn
Mass Number = 83
Relative Atomic Mass = 82.96103(54)#
Isotopic Composition = 
Standard Atomic Weight = 65.38(2)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 56
Relative Atomic Mass = 55.99491(28)#
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 57
Relative Atomic Mass = 56.98293(28)#
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 58
Relative Atomic Mass = 57.97425(23)#
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 59
Relative Atomic Mass = 58.96337(18)#
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 60
Relative Atomic Mass = 59.95706(12)#
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 61
Relative Atomic Mass = 60.949450(60)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 62
Relative Atomic Mass = 61.944175(30)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 63
Relative Atomic Mass = 62.9392942(14)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 64
Relative Atomic Mass = 63.9368387(22)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 65
Relative Atomic Mass = 64.9327348(9)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 66
Relative Atomic Mass = 65.931589(3)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 67
Relative Atomic Mass = 66.9282017(14)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 68
Relative Atomic Mass = 67.9279801(16)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 69
Relative Atomic Mass = 68.9255736(13)
Isotopic Composition = 0.60108(9)
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 70
Relative Atomic Mass = 69.9260220(13)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 71
Relative Atomic Mass = 70.9247013(11)
Isotopic Composition = 0.39892(9)
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 72
Relative Atomic Mass = 71.9263663(11)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 73
Relative Atomic Mass = 72.9251747(18)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 74
Relative Atomic Mass = 73.926946(4)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 75
Relative Atomic Mass = 74.9265002(26)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 76
Relative Atomic Mass = 75.9288276(21)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 77
Relative Atomic Mass = 76.9291543(26)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 78
Relative Atomic Mass = 77.9316082(26)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 79
Relative Atomic Mass = 78.93289(11)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 80
Relative Atomic Mass = 79.93652(13)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 81
Relative Atomic Mass = 80.93775(21)
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 82
Relative Atomic Mass = 81.94299(32)#
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 83
Relative Atomic Mass = 82.94698(32)#
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 84
Relative Atomic Mass = 83.95265(43)#
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 85
Relative Atomic Mass = 84.95700(54)#
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 31
Atomic Symbol = Ga
Mass Number = 86
Relative Atomic Mass = 85.96312(86)#
Isotopic Composition = 
Standard Atomic Weight = 69.723(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 58
Relative Atomic Mass = 57.99101(34)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 59
Relative Atomic Mass = 58.98175(30)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 60
Relative Atomic Mass = 59.97019(25)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 61
Relative Atomic Mass = 60.96379(32)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 62
Relative Atomic Mass = 61.95465(15)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 63
Relative Atomic Mass = 62.94964(21)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 64
Relative Atomic Mass = 63.941650(30)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 65
Relative Atomic Mass = 64.93944(11)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 66
Relative Atomic Mass = 65.933840(30)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 67
Relative Atomic Mass = 66.932734(5)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 68
Relative Atomic Mass = 67.928094(7)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 69
Relative Atomic Mass = 68.9279645(14)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 70
Relative Atomic Mass = 69.9242474(11)
Isotopic Composition = 0.2038(18)
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 71
Relative Atomic Mass = 70.9249510(11)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 72
Relative Atomic Mass = 71.9220758(18)
Isotopic Composition = 0.2731(26)
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 73
Relative Atomic Mass = 72.9234589(18)
Isotopic Composition = 0.0776(8)
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 74
Relative Atomic Mass = 73.9211778(18)
Isotopic Composition = 0.3672(15)
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 75
Relative Atomic Mass = 74.9228589(18)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 76
Relative Atomic Mass = 75.9214026(18)
Isotopic Composition = 0.0783(7)
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 77
Relative Atomic Mass = 76.9235486(18)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 78
Relative Atomic Mass = 77.922853(4)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 79
Relative Atomic Mass = 78.92540(10)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 80
Relative Atomic Mass = 79.925370(30)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 81
Relative Atomic Mass = 80.92882(13)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 82
Relative Atomic Mass = 81.92955(26)
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 83
Relative Atomic Mass = 82.93462(21)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 84
Relative Atomic Mass = 83.93747(32)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 85
Relative Atomic Mass = 84.94303(43)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 86
Relative Atomic Mass = 85.94649(54)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 87
Relative Atomic Mass = 86.95251(54)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 88
Relative Atomic Mass = 87.95691(75)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 32
Atomic Symbol = Ge
Mass Number = 89
Relative Atomic Mass = 88.96383(97)#
Isotopic Composition = 
Standard Atomic Weight = 72.64(1)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 60
Relative Atomic Mass = 59.99313(64)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 61
Relative Atomic Mass = 60.98062(64)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 62
Relative Atomic Mass = 61.97320(32)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 63
Relative Atomic Mass = 62.96369(54)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 64
Relative Atomic Mass = 63.95757(38)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 65
Relative Atomic Mass = 64.94956(32)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 66
Relative Atomic Mass = 65.94471(73)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 67
Relative Atomic Mass = 66.93919(11)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 68
Relative Atomic Mass = 67.936770(50)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 69
Relative Atomic Mass = 68.932270(30)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 70
Relative Atomic Mass = 69.930920(50)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 71
Relative Atomic Mass = 70.927112(5)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 72
Relative Atomic Mass = 71.926752(5)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 73
Relative Atomic Mass = 72.923825(4)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 74
Relative Atomic Mass = 73.9239287(25)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 75
Relative Atomic Mass = 74.9215965(20)
Isotopic Composition = 1.0000
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 76
Relative Atomic Mass = 75.9223940(20)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 77
Relative Atomic Mass = 76.9206473(25)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 78
Relative Atomic Mass = 77.921827(11)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 79
Relative Atomic Mass = 78.920948(6)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 80
Relative Atomic Mass = 79.922534(25)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 81
Relative Atomic Mass = 80.922132(6)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 82
Relative Atomic Mass = 81.92450(21)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 83
Relative Atomic Mass = 82.92498(24)
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 84
Relative Atomic Mass = 83.92906(32)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 85
Relative Atomic Mass = 84.93202(21)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 86
Relative Atomic Mass = 85.93650(32)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 87
Relative Atomic Mass = 86.93990(32)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 88
Relative Atomic Mass = 87.94494(54)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 89
Relative Atomic Mass = 88.94939(54)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 90
Relative Atomic Mass = 89.95550(86)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 91
Relative Atomic Mass = 90.96043(97)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 33
Atomic Symbol = As
Mass Number = 92
Relative Atomic Mass = 91.96680(97)#
Isotopic Composition = 
Standard Atomic Weight = 74.92160(2)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 65
Relative Atomic Mass = 64.96466(64)#
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 66
Relative Atomic Mass = 65.95521(32)#
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 67
Relative Atomic Mass = 66.95009(21)#
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 68
Relative Atomic Mass = 67.941800(40)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 69
Relative Atomic Mass = 68.939560(40)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 70
Relative Atomic Mass = 69.933390(70)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 71
Relative Atomic Mass = 70.932240(30)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 72
Relative Atomic Mass = 71.927112(13)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 73
Relative Atomic Mass = 72.926765(11)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 74
Relative Atomic Mass = 73.9224764(18)
Isotopic Composition = 0.0089(4)
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 75
Relative Atomic Mass = 74.9225234(18)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 76
Relative Atomic Mass = 75.9192136(18)
Isotopic Composition = 0.0937(29)
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 77
Relative Atomic Mass = 76.9199140(18)
Isotopic Composition = 0.0763(16)
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 78
Relative Atomic Mass = 77.9173091(18)
Isotopic Composition = 0.2377(28)
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 79
Relative Atomic Mass = 78.9184991(18)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 80
Relative Atomic Mass = 79.9165213(21)
Isotopic Composition = 0.4961(41)
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 81
Relative Atomic Mass = 80.9179925(22)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 82
Relative Atomic Mass = 81.9166994(22)
Isotopic Composition = 0.0873(22)
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 83
Relative Atomic Mass = 82.919118(4)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 84
Relative Atomic Mass = 83.918462(16)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 85
Relative Atomic Mass = 84.922250(30)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 86
Relative Atomic Mass = 85.924272(17)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 87
Relative Atomic Mass = 86.928520(40)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 88
Relative Atomic Mass = 87.931420(50)
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 89
Relative Atomic Mass = 88.93645(32)#
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 90
Relative Atomic Mass = 89.93996(43)#
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 91
Relative Atomic Mass = 90.94596(54)#
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 92
Relative Atomic Mass = 91.94992(64)#
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 93
Relative Atomic Mass = 92.95629(86)#
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 34
Atomic Symbol = Se
Mass Number = 94
Relative Atomic Mass = 93.96049(86)#
Isotopic Composition = 
Standard Atomic Weight = 78.96(3)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 67
Relative Atomic Mass = 66.96479(54)#
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 68
Relative Atomic Mass = 67.95852(38)#
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 69
Relative Atomic Mass = 68.95011(11)#
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 70
Relative Atomic Mass = 69.94479(33)#
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 71
Relative Atomic Mass = 70.93874(61)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 72
Relative Atomic Mass = 71.936640(60)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 73
Relative Atomic Mass = 72.931690(50)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 74
Relative Atomic Mass = 73.929891(16)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 75
Relative Atomic Mass = 74.925776(15)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 76
Relative Atomic Mass = 75.924541(10)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 77
Relative Atomic Mass = 76.921379(3)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 78
Relative Atomic Mass = 77.921146(4)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 79
Relative Atomic Mass = 78.9183371(22)
Isotopic Composition = 0.5069(7)
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 80
Relative Atomic Mass = 79.9185293(22)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 81
Relative Atomic Mass = 80.9162906(21)
Isotopic Composition = 0.4931(7)
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 82
Relative Atomic Mass = 81.9168041(21)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 83
Relative Atomic Mass = 82.915180(5)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 84
Relative Atomic Mass = 83.916479(16)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 85
Relative Atomic Mass = 84.915608(21)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 86
Relative Atomic Mass = 85.918798(12)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 87
Relative Atomic Mass = 86.920711(19)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 88
Relative Atomic Mass = 87.924070(40)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 89
Relative Atomic Mass = 88.926390(60)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 90
Relative Atomic Mass = 89.930630(80)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 91
Relative Atomic Mass = 90.933970(80)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 92
Relative Atomic Mass = 91.939260(50)
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 93
Relative Atomic Mass = 92.94305(32)#
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 94
Relative Atomic Mass = 93.94868(43)#
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 95
Relative Atomic Mass = 94.95287(54)#
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 96
Relative Atomic Mass = 95.95853(75)#
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 35
Atomic Symbol = Br
Mass Number = 97
Relative Atomic Mass = 96.96280(86)#
Isotopic Composition = 
Standard Atomic Weight = 79.904(1)
Notes =  

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 69
Relative Atomic Mass = 68.96518(43)#
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 70
Relative Atomic Mass = 69.95526(41)#
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 71
Relative Atomic Mass = 70.94963(70)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 72
Relative Atomic Mass = 71.942092(9)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 73
Relative Atomic Mass = 72.939289(7)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 74
Relative Atomic Mass = 73.9330844(22)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 75
Relative Atomic Mass = 74.930946(9)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 76
Relative Atomic Mass = 75.925910(4)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 77
Relative Atomic Mass = 76.9246700(21)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 78
Relative Atomic Mass = 77.9203648(12)
Isotopic Composition = 0.00355(3)
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 79
Relative Atomic Mass = 78.920082(4)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 80
Relative Atomic Mass = 79.9163790(16)
Isotopic Composition = 0.02286(10)
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 81
Relative Atomic Mass = 80.9165920(21)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 82
Relative Atomic Mass = 81.9134836(19)
Isotopic Composition = 0.11593(31)
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 83
Relative Atomic Mass = 82.914136(3)
Isotopic Composition = 0.11500(19)
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 84
Relative Atomic Mass = 83.911507(3)
Isotopic Composition = 0.56987(15)
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 85
Relative Atomic Mass = 84.9125273(21)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 86
Relative Atomic Mass = 85.91061073(11)
Isotopic Composition = 0.17279(41)
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 87
Relative Atomic Mass = 86.91335486(29)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 88
Relative Atomic Mass = 87.914447(14)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 89
Relative Atomic Mass = 88.917630(60)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 90
Relative Atomic Mass = 89.919517(20)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 91
Relative Atomic Mass = 90.923450(60)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 92
Relative Atomic Mass = 91.926156(13)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 93
Relative Atomic Mass = 92.93127(11)
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 94
Relative Atomic Mass = 93.93436(32)#
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 95
Relative Atomic Mass = 94.93984(43)#
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 96
Relative Atomic Mass = 95.94307(54)#
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 97
Relative Atomic Mass = 96.94856(54)#
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 98
Relative Atomic Mass = 97.95191(64)#
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 99
Relative Atomic Mass = 98.95760(64)#
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 36
Atomic Symbol = Kr
Mass Number = 100
Relative Atomic Mass = 99.96114(54)#
Isotopic Composition = 
Standard Atomic Weight = 83.798(2)
Notes = g,m,a

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 71
Relative Atomic Mass = 70.96532(54)#
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 72
Relative Atomic Mass = 71.95908(54)#
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 73
Relative Atomic Mass = 72.95056(16)#
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 74
Relative Atomic Mass = 73.944265(4)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 75
Relative Atomic Mass = 74.938570(8)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 76
Relative Atomic Mass = 75.9350722(20)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 77
Relative Atomic Mass = 76.930408(8)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 78
Relative Atomic Mass = 77.928141(8)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 79
Relative Atomic Mass = 78.923989(6)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 80
Relative Atomic Mass = 79.922519(7)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 81
Relative Atomic Mass = 80.918996(6)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 82
Relative Atomic Mass = 81.9182086(30)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 83
Relative Atomic Mass = 82.915110(6)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 84
Relative Atomic Mass = 83.914385(3)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 85
Relative Atomic Mass = 84.911789738(12)
Isotopic Composition = 0.7217(2)
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 86
Relative Atomic Mass = 85.91116742(21)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 87
Relative Atomic Mass = 86.909180527(13)
Isotopic Composition = 0.2783(2)
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 88
Relative Atomic Mass = 87.91131559(17)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 89
Relative Atomic Mass = 88.912278(6)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 90
Relative Atomic Mass = 89.914802(7)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 91
Relative Atomic Mass = 90.916537(9)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 92
Relative Atomic Mass = 91.919729(7)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 93
Relative Atomic Mass = 92.922042(8)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 94
Relative Atomic Mass = 93.926405(9)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 95
Relative Atomic Mass = 94.929303(23)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 96
Relative Atomic Mass = 95.934270(30)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 97
Relative Atomic Mass = 96.937350(30)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 98
Relative Atomic Mass = 97.941790(50)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 99
Relative Atomic Mass = 98.94538(13)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 100
Relative Atomic Mass = 99.94987(32)#
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 101
Relative Atomic Mass = 100.95320(18)
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 102
Relative Atomic Mass = 101.95887(54)#
Isotopic Composition = 
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 73
Relative Atomic Mass = 72.96597(64)#
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 74
Relative Atomic Mass = 73.95631(54)#
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 75
Relative Atomic Mass = 74.94995(24)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 76
Relative Atomic Mass = 75.941770(40)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 77
Relative Atomic Mass = 76.937945(10)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 78
Relative Atomic Mass = 77.932180(8)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 79
Relative Atomic Mass = 78.929708(9)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 80
Relative Atomic Mass = 79.924521(7)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 81
Relative Atomic Mass = 80.923212(7)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 82
Relative Atomic Mass = 81.918402(6)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 83
Relative Atomic Mass = 82.917557(11)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 84
Relative Atomic Mass = 83.913425(3)
Isotopic Composition = 0.0056(1)
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 85
Relative Atomic Mass = 84.912933(3)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 86
Relative Atomic Mass = 85.9092602(12)
Isotopic Composition = 0.0986(1)
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 87
Relative Atomic Mass = 86.9088771(12)
Isotopic Composition = 0.0700(1)
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 88
Relative Atomic Mass = 87.9056121(12)
Isotopic Composition = 0.8258(1)
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 89
Relative Atomic Mass = 88.9074507(12)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 90
Relative Atomic Mass = 89.907738(3)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 91
Relative Atomic Mass = 90.910203(5)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 92
Relative Atomic Mass = 91.911038(4)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 93
Relative Atomic Mass = 92.914026(8)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 94
Relative Atomic Mass = 93.915361(8)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 95
Relative Atomic Mass = 94.919359(8)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 96
Relative Atomic Mass = 95.921697(29)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 97
Relative Atomic Mass = 96.926153(21)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 98
Relative Atomic Mass = 97.928453(28)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 99
Relative Atomic Mass = 98.933240(90)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 100
Relative Atomic Mass = 99.93535(14)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 101
Relative Atomic Mass = 100.94052(13)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 102
Relative Atomic Mass = 101.94302(12)
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 103
Relative Atomic Mass = 102.94895(54)#
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 104
Relative Atomic Mass = 103.95233(75)#
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 38
Atomic Symbol = Sr
Mass Number = 105
Relative Atomic Mass = 104.95858(75)#
Isotopic Composition = 
Standard Atomic Weight = 87.62(1)
Notes = g,r,f

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 76
Relative Atomic Mass = 75.95845(54)#
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 77
Relative Atomic Mass = 76.949650(70)#
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 78
Relative Atomic Mass = 77.94361(43)#
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 79
Relative Atomic Mass = 78.93735(48)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 80
Relative Atomic Mass = 79.93428(19)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 81
Relative Atomic Mass = 80.929130(70)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 82
Relative Atomic Mass = 81.92679(11)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 83
Relative Atomic Mass = 82.922350(50)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 84
Relative Atomic Mass = 83.92039(10)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 85
Relative Atomic Mass = 84.916433(20)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 86
Relative Atomic Mass = 85.914886(15)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 87
Relative Atomic Mass = 86.9108757(17)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 88
Relative Atomic Mass = 87.9095011(20)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 89
Relative Atomic Mass = 88.9058483(27)
Isotopic Composition = 1.0000
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 90
Relative Atomic Mass = 89.9071519(27)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 91
Relative Atomic Mass = 90.907305(3)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 92
Relative Atomic Mass = 91.908949(10)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 93
Relative Atomic Mass = 92.909583(11)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 94
Relative Atomic Mass = 93.911595(8)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 95
Relative Atomic Mass = 94.912821(8)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 96
Relative Atomic Mass = 95.915891(25)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 97
Relative Atomic Mass = 96.918134(13)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 98
Relative Atomic Mass = 97.922203(26)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 99
Relative Atomic Mass = 98.924636(26)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 100
Relative Atomic Mass = 99.927760(80)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 101
Relative Atomic Mass = 100.93031(10)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 102
Relative Atomic Mass = 101.933560(90)
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 103
Relative Atomic Mass = 102.93673(32)#
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 104
Relative Atomic Mass = 103.94105(43)#
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 105
Relative Atomic Mass = 104.94487(54)#
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 106
Relative Atomic Mass = 105.94979(75)#
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 107
Relative Atomic Mass = 106.95414(54)#
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 39
Atomic Symbol = Y
Mass Number = 108
Relative Atomic Mass = 107.95948(86)#
Isotopic Composition = 
Standard Atomic Weight = 88.90585(2)
Notes =  

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 78
Relative Atomic Mass = 77.95523(54)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 79
Relative Atomic Mass = 78.94916(43)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 80
Relative Atomic Mass = 79.94040(160)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 81
Relative Atomic Mass = 80.93721(18)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 82
Relative Atomic Mass = 81.93109(24)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 83
Relative Atomic Mass = 82.92865(10)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 84
Relative Atomic Mass = 83.92325(21)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 85
Relative Atomic Mass = 84.92147(11)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 86
Relative Atomic Mass = 85.916470(30)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 87
Relative Atomic Mass = 86.914816(9)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 88
Relative Atomic Mass = 87.910227(11)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 89
Relative Atomic Mass = 88.908890(4)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 90
Relative Atomic Mass = 89.9047044(25)
Isotopic Composition = 0.5145(40)
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 91
Relative Atomic Mass = 90.9056458(25)
Isotopic Composition = 0.1122(5)
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 92
Relative Atomic Mass = 91.9050408(25)
Isotopic Composition = 0.1715(8)
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 93
Relative Atomic Mass = 92.9064760(25)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 94
Relative Atomic Mass = 93.9063152(26)
Isotopic Composition = 0.1738(28)
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 95
Relative Atomic Mass = 94.9080426(26)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 96
Relative Atomic Mass = 95.9082734(30)
Isotopic Composition = 0.0280(9)
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 97
Relative Atomic Mass = 96.9109531(30)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 98
Relative Atomic Mass = 97.912735(21)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 99
Relative Atomic Mass = 98.916512(22)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 100
Relative Atomic Mass = 99.917760(40)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 101
Relative Atomic Mass = 100.921140(30)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 102
Relative Atomic Mass = 101.922980(50)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 103
Relative Atomic Mass = 102.92660(12)
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 104
Relative Atomic Mass = 103.92878(43)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 105
Relative Atomic Mass = 104.93305(43)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 106
Relative Atomic Mass = 105.93591(54)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 107
Relative Atomic Mass = 106.94075(32)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 108
Relative Atomic Mass = 107.94396(64)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 109
Relative Atomic Mass = 108.94924(54)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 40
Atomic Symbol = Zr
Mass Number = 110
Relative Atomic Mass = 109.95287(86)#
Isotopic Composition = 
Standard Atomic Weight = 91.224(2)
Notes = g

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 81
Relative Atomic Mass = 80.94903(161)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 82
Relative Atomic Mass = 81.94313(32)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 83
Relative Atomic Mass = 82.93671(34)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 84
Relative Atomic Mass = 83.93357(32)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 85
Relative Atomic Mass = 84.92791(24)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 86
Relative Atomic Mass = 85.925040(90)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 87
Relative Atomic Mass = 86.920360(70)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 88
Relative Atomic Mass = 87.91833(11)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 89
Relative Atomic Mass = 88.913418(29)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 90
Relative Atomic Mass = 89.911265(5)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 91
Relative Atomic Mass = 90.906996(4)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 92
Relative Atomic Mass = 91.907194(3)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 93
Relative Atomic Mass = 92.9063781(26)
Isotopic Composition = 1.0000
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 94
Relative Atomic Mass = 93.9072839(26)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 95
Relative Atomic Mass = 94.9068358(21)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 96
Relative Atomic Mass = 95.908101(4)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 97
Relative Atomic Mass = 96.9080986(27)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 98
Relative Atomic Mass = 97.910328(6)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 99
Relative Atomic Mass = 98.911618(14)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 100
Relative Atomic Mass = 99.914182(28)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 101
Relative Atomic Mass = 100.915252(20)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 102
Relative Atomic Mass = 101.918040(40)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 103
Relative Atomic Mass = 102.919140(70)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 104
Relative Atomic Mass = 103.92246(11)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 105
Relative Atomic Mass = 104.92394(11)
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 106
Relative Atomic Mass = 105.92797(21)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 107
Relative Atomic Mass = 106.93031(43)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 108
Relative Atomic Mass = 107.93484(32)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 109
Relative Atomic Mass = 108.93763(54)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 110
Relative Atomic Mass = 109.94244(54)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 111
Relative Atomic Mass = 110.94565(54)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 112
Relative Atomic Mass = 111.95083(75)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 41
Atomic Symbol = Nb
Mass Number = 113
Relative Atomic Mass = 112.95470(86)#
Isotopic Composition = 
Standard Atomic Weight = 92.90638(2)
Notes =  

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 83
Relative Atomic Mass = 82.94874(54)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 84
Relative Atomic Mass = 83.94009(43)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 85
Relative Atomic Mass = 84.93655(30)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 86
Relative Atomic Mass = 85.93070(47)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 87
Relative Atomic Mass = 86.92733(24)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 88
Relative Atomic Mass = 87.921953(22)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 89
Relative Atomic Mass = 88.919480(17)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 90
Relative Atomic Mass = 89.913937(7)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 91
Relative Atomic Mass = 90.911750(12)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 92
Relative Atomic Mass = 91.906811(4)
Isotopic Composition = 0.1477(31)
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 93
Relative Atomic Mass = 92.906813(4)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 94
Relative Atomic Mass = 93.9050883(21)
Isotopic Composition = 0.0923(10)
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 95
Relative Atomic Mass = 94.9058421(21)
Isotopic Composition = 0.1590(9)
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 96
Relative Atomic Mass = 95.9046795(21)
Isotopic Composition = 0.1668(1)
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 97
Relative Atomic Mass = 96.9060215(21)
Isotopic Composition = 0.0956(5)
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 98
Relative Atomic Mass = 97.9054082(21)
Isotopic Composition = 0.2419(26)
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 99
Relative Atomic Mass = 98.9077119(21)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 100
Relative Atomic Mass = 99.907477(6)
Isotopic Composition = 0.0967(20)
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 101
Relative Atomic Mass = 100.910347(6)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 102
Relative Atomic Mass = 101.910297(22)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 103
Relative Atomic Mass = 102.913210(70)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 104
Relative Atomic Mass = 103.913760(60)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 105
Relative Atomic Mass = 104.916970(80)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 106
Relative Atomic Mass = 105.918137(19)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 107
Relative Atomic Mass = 106.92169(17)
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 108
Relative Atomic Mass = 107.92345(21)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 109
Relative Atomic Mass = 108.92781(32)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 110
Relative Atomic Mass = 109.92973(43)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 111
Relative Atomic Mass = 110.93441(43)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 112
Relative Atomic Mass = 111.93684(64)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 113
Relative Atomic Mass = 112.94188(64)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 114
Relative Atomic Mass = 113.94492(75)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 42
Atomic Symbol = Mo
Mass Number = 115
Relative Atomic Mass = 114.95029(86)#
Isotopic Composition = 
Standard Atomic Weight = 95.96(2)
Notes = g

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 85
Relative Atomic Mass = 84.94883(43)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 86
Relative Atomic Mass = 85.94288(32)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 87
Relative Atomic Mass = 86.93653(32)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 88
Relative Atomic Mass = 87.93268(22)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 89
Relative Atomic Mass = 88.92717(22)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 90
Relative Atomic Mass = 89.92356(26)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 91
Relative Atomic Mass = 90.91843(22)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 92
Relative Atomic Mass = 91.915260(28)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 93
Relative Atomic Mass = 92.910249(4)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 94
Relative Atomic Mass = 93.909657(5)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 95
Relative Atomic Mass = 94.907657(6)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 96
Relative Atomic Mass = 95.907871(6)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 97
Relative Atomic Mass = 96.906365(5)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 98
Relative Atomic Mass = 97.907216(4)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 99
Relative Atomic Mass = 98.9062547(21)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 100
Relative Atomic Mass = 99.9076578(24)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 101
Relative Atomic Mass = 100.907315(26)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 102
Relative Atomic Mass = 101.909215(10)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 103
Relative Atomic Mass = 102.909181(11)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 104
Relative Atomic Mass = 103.911450(50)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 105
Relative Atomic Mass = 104.911660(60)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 106
Relative Atomic Mass = 105.914358(14)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 107
Relative Atomic Mass = 106.91508(16)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 108
Relative Atomic Mass = 107.91846(14)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 109
Relative Atomic Mass = 108.91998(10)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 110
Relative Atomic Mass = 109.923820(80)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 111
Relative Atomic Mass = 110.92569(12)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 112
Relative Atomic Mass = 111.92915(13)
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 113
Relative Atomic Mass = 112.93159(32)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 114
Relative Atomic Mass = 113.93588(64)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 115
Relative Atomic Mass = 114.93869(75)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 116
Relative Atomic Mass = 115.94337(75)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 117
Relative Atomic Mass = 116.94648(75)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 43
Atomic Symbol = Tc
Mass Number = 118
Relative Atomic Mass = 117.95148(97)#
Isotopic Composition = 
Standard Atomic Weight = [98]
Notes =  

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 87
Relative Atomic Mass = 86.94918(64)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 88
Relative Atomic Mass = 87.94026(43)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 89
Relative Atomic Mass = 88.93611(54)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 90
Relative Atomic Mass = 89.92989(32)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 91
Relative Atomic Mass = 90.92629(63)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 92
Relative Atomic Mass = 91.92012(32)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 93
Relative Atomic Mass = 92.917050(90)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 94
Relative Atomic Mass = 93.911360(14)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 95
Relative Atomic Mass = 94.910413(13)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 96
Relative Atomic Mass = 95.907598(8)
Isotopic Composition = 0.0554(14)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 97
Relative Atomic Mass = 96.907555(9)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 98
Relative Atomic Mass = 97.905287(7)
Isotopic Composition = 0.0187(3)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 99
Relative Atomic Mass = 98.9059393(22)
Isotopic Composition = 0.1276(14)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 100
Relative Atomic Mass = 99.9042195(22)
Isotopic Composition = 0.1260(7)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 101
Relative Atomic Mass = 100.9055821(22)
Isotopic Composition = 0.1706(2)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 102
Relative Atomic Mass = 101.9043493(22)
Isotopic Composition = 0.3155(14)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 103
Relative Atomic Mass = 102.9063238(22)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 104
Relative Atomic Mass = 103.905433(3)
Isotopic Composition = 0.1862(27)
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 105
Relative Atomic Mass = 104.907753(3)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 106
Relative Atomic Mass = 105.907329(8)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 107
Relative Atomic Mass = 106.90991(13)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 108
Relative Atomic Mass = 107.91017(12)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 109
Relative Atomic Mass = 108.913200(70)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 110
Relative Atomic Mass = 109.914140(60)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 111
Relative Atomic Mass = 110.917700(80)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 112
Relative Atomic Mass = 111.918970(80)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 113
Relative Atomic Mass = 112.922490(80)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 114
Relative Atomic Mass = 113.92428(25)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 115
Relative Atomic Mass = 114.92869(14)
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 116
Relative Atomic Mass = 115.93081(75)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 117
Relative Atomic Mass = 116.93558(75)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 118
Relative Atomic Mass = 117.93782(86)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 119
Relative Atomic Mass = 118.94284(75)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 44
Atomic Symbol = Ru
Mass Number = 120
Relative Atomic Mass = 119.94531(86)#
Isotopic Composition = 
Standard Atomic Weight = 101.07(2)
Notes = g

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 89
Relative Atomic Mass = 88.94884(48)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 90
Relative Atomic Mass = 89.94287(54)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 91
Relative Atomic Mass = 90.93655(43)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 92
Relative Atomic Mass = 91.93198(43)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 93
Relative Atomic Mass = 92.92574(43)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 94
Relative Atomic Mass = 93.92170(48)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 95
Relative Atomic Mass = 94.91590(16)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 96
Relative Atomic Mass = 95.914461(14)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 97
Relative Atomic Mass = 96.911340(40)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 98
Relative Atomic Mass = 97.910708(13)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 99
Relative Atomic Mass = 98.908132(8)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 100
Relative Atomic Mass = 99.908122(20)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 101
Relative Atomic Mass = 100.906164(18)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 102
Relative Atomic Mass = 101.906843(5)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 103
Relative Atomic Mass = 102.905504(3)
Isotopic Composition = 1.0000
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 104
Relative Atomic Mass = 103.906656(3)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 105
Relative Atomic Mass = 104.905694(4)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 106
Relative Atomic Mass = 105.907287(8)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 107
Relative Atomic Mass = 106.906748(13)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 108
Relative Atomic Mass = 107.90873(11)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 109
Relative Atomic Mass = 108.908737(13)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 110
Relative Atomic Mass = 109.911140(50)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 111
Relative Atomic Mass = 110.911590(30)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 112
Relative Atomic Mass = 111.914390(60)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 113
Relative Atomic Mass = 112.915530(50)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 114
Relative Atomic Mass = 113.91881(12)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 115
Relative Atomic Mass = 114.920330(90)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 116
Relative Atomic Mass = 115.92406(15)
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 117
Relative Atomic Mass = 116.92598(54)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 118
Relative Atomic Mass = 117.93007(54)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 119
Relative Atomic Mass = 118.93211(64)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 120
Relative Atomic Mass = 119.93641(64)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 121
Relative Atomic Mass = 120.93872(97)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 45
Atomic Symbol = Rh
Mass Number = 122
Relative Atomic Mass = 121.94321(75)#
Isotopic Composition = 
Standard Atomic Weight = 102.90550(2)
Notes =  

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 91
Relative Atomic Mass = 90.94911(61)#
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 92
Relative Atomic Mass = 91.94042(54)#
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 93
Relative Atomic Mass = 92.93591(43)#
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 94
Relative Atomic Mass = 93.92877(43)#
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 95
Relative Atomic Mass = 94.92469(43)#
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 96
Relative Atomic Mass = 95.91816(16)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 97
Relative Atomic Mass = 96.91648(32)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 98
Relative Atomic Mass = 97.912721(23)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 99
Relative Atomic Mass = 98.911768(16)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 100
Relative Atomic Mass = 99.908506(12)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 101
Relative Atomic Mass = 100.908289(19)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 102
Relative Atomic Mass = 101.905609(3)
Isotopic Composition = 0.0102(1)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 103
Relative Atomic Mass = 102.906087(3)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 104
Relative Atomic Mass = 103.904036(4)
Isotopic Composition = 0.1114(8)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 105
Relative Atomic Mass = 104.905085(4)
Isotopic Composition = 0.2233(8)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 106
Relative Atomic Mass = 105.903486(4)
Isotopic Composition = 0.2733(3)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 107
Relative Atomic Mass = 106.905133(4)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 108
Relative Atomic Mass = 107.903892(4)
Isotopic Composition = 0.2646(9)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 109
Relative Atomic Mass = 108.905950(4)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 110
Relative Atomic Mass = 109.905153(12)
Isotopic Composition = 0.1172(9)
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 111
Relative Atomic Mass = 110.907671(12)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 112
Relative Atomic Mass = 111.907314(19)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 113
Relative Atomic Mass = 112.910150(40)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 114
Relative Atomic Mass = 113.910363(25)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 115
Relative Atomic Mass = 114.913680(70)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 116
Relative Atomic Mass = 115.914160(60)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 117
Relative Atomic Mass = 116.917840(60)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 118
Relative Atomic Mass = 117.91898(23)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 119
Relative Atomic Mass = 118.92311(32)#
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 120
Relative Atomic Mass = 119.92469(13)
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 121
Relative Atomic Mass = 120.92887(54)#
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 122
Relative Atomic Mass = 121.93055(43)#
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 123
Relative Atomic Mass = 122.93493(64)#
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 46
Atomic Symbol = Pd
Mass Number = 124
Relative Atomic Mass = 123.93688(54)#
Isotopic Composition = 
Standard Atomic Weight = 106.42(1)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 93
Relative Atomic Mass = 92.94978(64)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 94
Relative Atomic Mass = 93.94278(54)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 95
Relative Atomic Mass = 94.93548(43)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 96
Relative Atomic Mass = 95.93068(43)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 97
Relative Atomic Mass = 96.92397(35)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 98
Relative Atomic Mass = 97.921570(70)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 99
Relative Atomic Mass = 98.91760(16)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 100
Relative Atomic Mass = 99.916100(80)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 101
Relative Atomic Mass = 100.91280(11)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 102
Relative Atomic Mass = 101.911690(30)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 103
Relative Atomic Mass = 102.908973(18)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 104
Relative Atomic Mass = 103.908629(6)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 105
Relative Atomic Mass = 104.906529(12)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 106
Relative Atomic Mass = 105.906669(5)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 107
Relative Atomic Mass = 106.905097(5)
Isotopic Composition = 0.51839(8)
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 108
Relative Atomic Mass = 107.905956(5)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 109
Relative Atomic Mass = 108.904752(3)
Isotopic Composition = 0.48161(8)
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 110
Relative Atomic Mass = 109.906107(3)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 111
Relative Atomic Mass = 110.905291(3)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 112
Relative Atomic Mass = 111.907005(18)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 113
Relative Atomic Mass = 112.906567(18)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 114
Relative Atomic Mass = 113.908804(27)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 115
Relative Atomic Mass = 114.908760(40)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 116
Relative Atomic Mass = 115.911360(50)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 117
Relative Atomic Mass = 116.911680(50)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 118
Relative Atomic Mass = 117.914580(70)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 119
Relative Atomic Mass = 118.91567(10)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 120
Relative Atomic Mass = 119.918790(80)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 121
Relative Atomic Mass = 120.91985(16)
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 122
Relative Atomic Mass = 121.92353(22)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 123
Relative Atomic Mass = 122.92490(22)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 124
Relative Atomic Mass = 123.92864(21)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 125
Relative Atomic Mass = 124.93043(32)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 126
Relative Atomic Mass = 125.93450(32)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 127
Relative Atomic Mass = 126.93677(32)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 128
Relative Atomic Mass = 127.94117(32)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 129
Relative Atomic Mass = 128.94369(43)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 47
Atomic Symbol = Ag
Mass Number = 130
Relative Atomic Mass = 129.95045(36)#
Isotopic Composition = 
Standard Atomic Weight = 107.8682(2)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 95
Relative Atomic Mass = 94.94987(64)#
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 96
Relative Atomic Mass = 95.93977(54)#
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 97
Relative Atomic Mass = 96.93494(43)#
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 98
Relative Atomic Mass = 97.927400(80)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 99
Relative Atomic Mass = 98.92501(22)#
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 100
Relative Atomic Mass = 99.92029(10)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 101
Relative Atomic Mass = 100.91868(16)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 102
Relative Atomic Mass = 101.914460(30)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 103
Relative Atomic Mass = 102.913419(17)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 104
Relative Atomic Mass = 103.909849(10)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 105
Relative Atomic Mass = 104.909468(12)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 106
Relative Atomic Mass = 105.906459(6)
Isotopic Composition = 0.0125(6)
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 107
Relative Atomic Mass = 106.906618(6)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 108
Relative Atomic Mass = 107.904184(6)
Isotopic Composition = 0.0089(3)
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 109
Relative Atomic Mass = 108.904982(4)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 110
Relative Atomic Mass = 109.9030021(29)
Isotopic Composition = 0.1249(18)
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 111
Relative Atomic Mass = 110.9041781(29)
Isotopic Composition = 0.1280(12)
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 112
Relative Atomic Mass = 111.9027578(29)
Isotopic Composition = 0.2413(21)
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 113
Relative Atomic Mass = 112.9044017(29)
Isotopic Composition = 0.1222(12)
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 114
Relative Atomic Mass = 113.9033585(29)
Isotopic Composition = 0.2873(42)
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 115
Relative Atomic Mass = 114.9054310(29)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 116
Relative Atomic Mass = 115.904756(3)
Isotopic Composition = 0.0749(18)
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 117
Relative Atomic Mass = 116.907219(4)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 118
Relative Atomic Mass = 117.906915(22)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 119
Relative Atomic Mass = 118.909920(90)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 120
Relative Atomic Mass = 119.909850(20)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 121
Relative Atomic Mass = 120.912980(90)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 122
Relative Atomic Mass = 121.913330(50)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 123
Relative Atomic Mass = 122.917000(40)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 124
Relative Atomic Mass = 123.917650(70)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 125
Relative Atomic Mass = 124.921250(70)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 126
Relative Atomic Mass = 125.922350(60)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 127
Relative Atomic Mass = 126.926440(80)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 128
Relative Atomic Mass = 127.92776(32)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 129
Relative Atomic Mass = 128.93215(32)#
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 130
Relative Atomic Mass = 129.93390(30)
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 131
Relative Atomic Mass = 130.94067(32)#
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 48
Atomic Symbol = Cd
Mass Number = 132
Relative Atomic Mass = 131.94555(54)#
Isotopic Composition = 
Standard Atomic Weight = 112.411(8)
Notes = g

Atomic Number = 49
Atomic Symbol = In
Mass Number = 97
Relative Atomic Mass = 96.94954(64)#
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 98
Relative Atomic Mass = 97.94214(21)#
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 99
Relative Atomic Mass = 98.93422(43)#
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 100
Relative Atomic Mass = 99.93111(27)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 101
Relative Atomic Mass = 100.92634(32)#
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 102
Relative Atomic Mass = 101.92409(12)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 103
Relative Atomic Mass = 102.919914(27)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 104
Relative Atomic Mass = 103.918300(90)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 105
Relative Atomic Mass = 104.914674(19)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 106
Relative Atomic Mass = 105.913465(13)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 107
Relative Atomic Mass = 106.910295(12)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 108
Relative Atomic Mass = 107.909698(10)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 109
Relative Atomic Mass = 108.907151(6)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 110
Relative Atomic Mass = 109.907165(13)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 111
Relative Atomic Mass = 110.905103(5)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 112
Relative Atomic Mass = 111.905532(6)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 113
Relative Atomic Mass = 112.904058(3)
Isotopic Composition = 0.0429(5)
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 114
Relative Atomic Mass = 113.904914(3)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 115
Relative Atomic Mass = 114.903878(5)
Isotopic Composition = 0.9571(5)
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 116
Relative Atomic Mass = 115.905260(5)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 117
Relative Atomic Mass = 116.904514(6)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 118
Relative Atomic Mass = 117.906354(9)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 119
Relative Atomic Mass = 118.905845(8)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 120
Relative Atomic Mass = 119.907960(40)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 121
Relative Atomic Mass = 120.907846(29)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 122
Relative Atomic Mass = 121.910280(50)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 123
Relative Atomic Mass = 122.910438(26)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 124
Relative Atomic Mass = 123.913180(50)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 125
Relative Atomic Mass = 124.913600(30)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 126
Relative Atomic Mass = 125.916460(40)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 127
Relative Atomic Mass = 126.917350(40)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 128
Relative Atomic Mass = 127.920170(50)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 129
Relative Atomic Mass = 128.921700(50)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 130
Relative Atomic Mass = 129.924970(40)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 131
Relative Atomic Mass = 130.926850(30)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 132
Relative Atomic Mass = 131.932990(70)
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 133
Relative Atomic Mass = 132.93781(32)#
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 134
Relative Atomic Mass = 133.94415(43)#
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 49
Atomic Symbol = In
Mass Number = 135
Relative Atomic Mass = 134.94933(54)#
Isotopic Composition = 
Standard Atomic Weight = 114.818(3)
Notes =  

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 99
Relative Atomic Mass = 98.94933(64)#
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 100
Relative Atomic Mass = 99.93904(76)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 101
Relative Atomic Mass = 100.93606(32)#
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 102
Relative Atomic Mass = 101.93030(14)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 103
Relative Atomic Mass = 102.92810(32)#
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 104
Relative Atomic Mass = 103.92314(11)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 105
Relative Atomic Mass = 104.921350(90)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 106
Relative Atomic Mass = 105.916880(50)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 107
Relative Atomic Mass = 106.915640(90)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 108
Relative Atomic Mass = 107.911925(21)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 109
Relative Atomic Mass = 108.911283(11)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 110
Relative Atomic Mass = 109.907843(15)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 111
Relative Atomic Mass = 110.907734(7)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 112
Relative Atomic Mass = 111.904818(5)
Isotopic Composition = 0.0097(1)
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 113
Relative Atomic Mass = 112.905171(4)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 114
Relative Atomic Mass = 113.902779(3)
Isotopic Composition = 0.0066(1)
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 115
Relative Atomic Mass = 114.903342(3)
Isotopic Composition = 0.0034(1)
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 116
Relative Atomic Mass = 115.901741(3)
Isotopic Composition = 0.1454(9)
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 117
Relative Atomic Mass = 116.902952(3)
Isotopic Composition = 0.0768(7)
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 118
Relative Atomic Mass = 117.901603(3)
Isotopic Composition = 0.2422(9)
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 119
Relative Atomic Mass = 118.903308(3)
Isotopic Composition = 0.0859(4)
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 120
Relative Atomic Mass = 119.9021947(27)
Isotopic Composition = 0.3258(9)
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 121
Relative Atomic Mass = 120.9042355(27)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 122
Relative Atomic Mass = 121.9034390(29)
Isotopic Composition = 0.0463(3)
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 123
Relative Atomic Mass = 122.9057208(29)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 124
Relative Atomic Mass = 123.9052739(15)
Isotopic Composition = 0.0579(5)
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 125
Relative Atomic Mass = 124.9077841(16)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 126
Relative Atomic Mass = 125.907653(11)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 127
Relative Atomic Mass = 126.910360(26)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 128
Relative Atomic Mass = 127.910537(29)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 129
Relative Atomic Mass = 128.913480(30)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 130
Relative Atomic Mass = 129.913967(11)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 131
Relative Atomic Mass = 130.917000(23)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 132
Relative Atomic Mass = 131.917816(15)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 133
Relative Atomic Mass = 132.923830(40)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 134
Relative Atomic Mass = 133.92829(11)
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 135
Relative Atomic Mass = 134.93473(43)#
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 136
Relative Atomic Mass = 135.93934(54)#
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 50
Atomic Symbol = Sn
Mass Number = 137
Relative Atomic Mass = 136.94599(64)#
Isotopic Composition = 
Standard Atomic Weight = 118.710(7)
Notes = g,e

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 103
Relative Atomic Mass = 102.93969(32)#
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 104
Relative Atomic Mass = 103.93647(39)#
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 105
Relative Atomic Mass = 104.93149(11)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 106
Relative Atomic Mass = 105.92879(34)#
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 107
Relative Atomic Mass = 106.92415(32)#
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 108
Relative Atomic Mass = 107.92216(22)#
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 109
Relative Atomic Mass = 108.918132(20)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 110
Relative Atomic Mass = 109.91675(22)#
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 111
Relative Atomic Mass = 110.913160(30)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 112
Relative Atomic Mass = 111.912398(19)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 113
Relative Atomic Mass = 112.909372(19)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 114
Relative Atomic Mass = 113.909270(30)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 115
Relative Atomic Mass = 114.906598(17)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 116
Relative Atomic Mass = 115.906794(6)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 117
Relative Atomic Mass = 116.904836(10)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 118
Relative Atomic Mass = 117.905529(4)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 119
Relative Atomic Mass = 118.903942(9)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 120
Relative Atomic Mass = 119.905072(8)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 121
Relative Atomic Mass = 120.9038157(24)
Isotopic Composition = 0.5721(5)
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 122
Relative Atomic Mass = 121.9051737(24)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 123
Relative Atomic Mass = 122.9042140(22)
Isotopic Composition = 0.4279(5)
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 124
Relative Atomic Mass = 123.9059357(22)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 125
Relative Atomic Mass = 124.9052538(28)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 126
Relative Atomic Mass = 125.907250(30)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 127
Relative Atomic Mass = 126.906924(6)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 128
Relative Atomic Mass = 127.909169(27)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 129
Relative Atomic Mass = 128.909148(23)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 130
Relative Atomic Mass = 129.911656(18)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 131
Relative Atomic Mass = 130.911982(22)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 132
Relative Atomic Mass = 131.914467(15)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 133
Relative Atomic Mass = 132.915252(27)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 134
Relative Atomic Mass = 133.920380(50)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 135
Relative Atomic Mass = 134.92517(11)
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 136
Relative Atomic Mass = 135.93035(32)#
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 137
Relative Atomic Mass = 136.93531(43)#
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 138
Relative Atomic Mass = 137.94079(32)#
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 51
Atomic Symbol = Sb
Mass Number = 139
Relative Atomic Mass = 138.94598(54)#
Isotopic Composition = 
Standard Atomic Weight = 121.760(1)
Notes = g

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 105
Relative Atomic Mass = 104.94364(54)#
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 106
Relative Atomic Mass = 105.93750(14)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 107
Relative Atomic Mass = 106.93501(32)#
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 108
Relative Atomic Mass = 107.92944(11)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 109
Relative Atomic Mass = 108.927420(70)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 110
Relative Atomic Mass = 109.922410(60)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 111
Relative Atomic Mass = 110.921110(80)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 112
Relative Atomic Mass = 111.91701(18)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 113
Relative Atomic Mass = 112.915890(30)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 114
Relative Atomic Mass = 113.912090(30)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 115
Relative Atomic Mass = 114.911900(30)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 116
Relative Atomic Mass = 115.908460(30)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 117
Relative Atomic Mass = 116.908645(14)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 118
Relative Atomic Mass = 117.905828(16)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 119
Relative Atomic Mass = 118.906404(9)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 120
Relative Atomic Mass = 119.904020(10)
Isotopic Composition = 0.0009(1)
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 121
Relative Atomic Mass = 120.904936(28)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 122
Relative Atomic Mass = 121.9030439(16)
Isotopic Composition = 0.0255(12)
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 123
Relative Atomic Mass = 122.9042700(16)
Isotopic Composition = 0.0089(3)
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 124
Relative Atomic Mass = 123.9028179(16)
Isotopic Composition = 0.0474(14)
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 125
Relative Atomic Mass = 124.9044307(16)
Isotopic Composition = 0.0707(15)
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 126
Relative Atomic Mass = 125.9033117(16)
Isotopic Composition = 0.1884(25)
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 127
Relative Atomic Mass = 126.9052263(16)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 128
Relative Atomic Mass = 127.9044631(19)
Isotopic Composition = 0.3174(8)
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 129
Relative Atomic Mass = 128.9065982(19)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 130
Relative Atomic Mass = 129.9062244(21)
Isotopic Composition = 0.3408(62)
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 131
Relative Atomic Mass = 130.9085239(21)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 132
Relative Atomic Mass = 131.908553(7)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 133
Relative Atomic Mass = 132.910955(26)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 134
Relative Atomic Mass = 133.911369(11)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 135
Relative Atomic Mass = 134.91645(10)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 136
Relative Atomic Mass = 135.920100(50)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 137
Relative Atomic Mass = 136.92532(13)
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 138
Relative Atomic Mass = 137.92922(22)#
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 139
Relative Atomic Mass = 138.93473(43)#
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 140
Relative Atomic Mass = 139.93885(32)#
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 141
Relative Atomic Mass = 140.94465(43)#
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 52
Atomic Symbol = Te
Mass Number = 142
Relative Atomic Mass = 141.94908(64)#
Isotopic Composition = 
Standard Atomic Weight = 127.60(3)
Notes = g,h

Atomic Number = 53
Atomic Symbol = I
Mass Number = 108
Relative Atomic Mass = 107.94348(39)#
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 109
Relative Atomic Mass = 108.93815(11)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 110
Relative Atomic Mass = 109.93524(33)#
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 111
Relative Atomic Mass = 110.93028(32)#
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 112
Relative Atomic Mass = 111.92797(23)#
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 113
Relative Atomic Mass = 112.923640(60)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 114
Relative Atomic Mass = 113.92185(32)#
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 115
Relative Atomic Mass = 114.918050(30)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 116
Relative Atomic Mass = 115.91681(10)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 117
Relative Atomic Mass = 116.913650(30)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 118
Relative Atomic Mass = 117.913074(21)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 119
Relative Atomic Mass = 118.910070(30)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 120
Relative Atomic Mass = 119.910048(19)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 121
Relative Atomic Mass = 120.907367(11)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 122
Relative Atomic Mass = 121.907589(6)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 123
Relative Atomic Mass = 122.905589(4)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 124
Relative Atomic Mass = 123.9062099(25)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 125
Relative Atomic Mass = 124.9046302(16)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 126
Relative Atomic Mass = 125.905624(4)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 127
Relative Atomic Mass = 126.904473(4)
Isotopic Composition = 1.0000
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 128
Relative Atomic Mass = 127.905809(4)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 129
Relative Atomic Mass = 128.904988(3)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 130
Relative Atomic Mass = 129.906674(3)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 131
Relative Atomic Mass = 130.9061246(12)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 132
Relative Atomic Mass = 131.907997(6)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 133
Relative Atomic Mass = 132.907797(5)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 134
Relative Atomic Mass = 133.909744(9)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 135
Relative Atomic Mass = 134.910048(8)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 136
Relative Atomic Mass = 135.914650(50)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 137
Relative Atomic Mass = 136.917871(30)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 138
Relative Atomic Mass = 137.922350(90)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 139
Relative Atomic Mass = 138.926100(30)
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 140
Relative Atomic Mass = 139.93100(21)#
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 141
Relative Atomic Mass = 140.93503(21)#
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 142
Relative Atomic Mass = 141.94018(43)#
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 143
Relative Atomic Mass = 142.94456(43)#
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 53
Atomic Symbol = I
Mass Number = 144
Relative Atomic Mass = 143.94999(54)#
Isotopic Composition = 
Standard Atomic Weight = 126.90447(3)
Notes =  

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 110
Relative Atomic Mass = 109.94428(14)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 111
Relative Atomic Mass = 110.94160(33)#
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 112
Relative Atomic Mass = 111.93562(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 113
Relative Atomic Mass = 112.933340(90)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 114
Relative Atomic Mass = 113.927980(12)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 115
Relative Atomic Mass = 114.926294(13)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 116
Relative Atomic Mass = 115.921581(14)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 117
Relative Atomic Mass = 116.920359(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 118
Relative Atomic Mass = 117.916179(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 119
Relative Atomic Mass = 118.915411(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 120
Relative Atomic Mass = 119.911784(13)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 121
Relative Atomic Mass = 120.911462(12)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 122
Relative Atomic Mass = 121.908368(12)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 123
Relative Atomic Mass = 122.908482(10)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 124
Relative Atomic Mass = 123.9058930(20)
Isotopic Composition = 0.000952(3)
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 125
Relative Atomic Mass = 124.9063955(20)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 126
Relative Atomic Mass = 125.904274(7)
Isotopic Composition = 0.000890(2)
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 127
Relative Atomic Mass = 126.905184(4)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 128
Relative Atomic Mass = 127.9035313(15)
Isotopic Composition = 0.019102(8)
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 129
Relative Atomic Mass = 128.9047794(8)
Isotopic Composition = 0.264006(82)
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 130
Relative Atomic Mass = 129.9035080(8)
Isotopic Composition = 0.040710(13)
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 131
Relative Atomic Mass = 130.9050824(10)
Isotopic Composition = 0.212324(30)
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 132
Relative Atomic Mass = 131.9041535(10)
Isotopic Composition = 0.269086(33)
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 133
Relative Atomic Mass = 132.9059107(26)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 134
Relative Atomic Mass = 133.9053945(9)
Isotopic Composition = 0.104357(21)
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 135
Relative Atomic Mass = 134.907227(5)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 136
Relative Atomic Mass = 135.907219(8)
Isotopic Composition = 0.088573(44)
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 137
Relative Atomic Mass = 136.911562(8)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 138
Relative Atomic Mass = 137.913950(50)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 139
Relative Atomic Mass = 138.918793(22)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 140
Relative Atomic Mass = 139.921640(70)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 141
Relative Atomic Mass = 140.92665(10)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 142
Relative Atomic Mass = 141.92971(11)
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 143
Relative Atomic Mass = 142.93511(21)#
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 144
Relative Atomic Mass = 143.93851(32)#
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 145
Relative Atomic Mass = 144.94407(32)#
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 146
Relative Atomic Mass = 145.94775(43)#
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 54
Atomic Symbol = Xe
Mass Number = 147
Relative Atomic Mass = 146.95356(43)#
Isotopic Composition = 
Standard Atomic Weight = 131.293(6)
Notes = g,m,a

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 112
Relative Atomic Mass = 111.95030(33)#
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 113
Relative Atomic Mass = 112.94449(11)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 114
Relative Atomic Mass = 113.94145(33)#
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 115
Relative Atomic Mass = 114.93591(32)#
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 116
Relative Atomic Mass = 115.93337(11)#
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 117
Relative Atomic Mass = 116.928670(70)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 118
Relative Atomic Mass = 117.926559(14)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 119
Relative Atomic Mass = 118.922377(15)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 120
Relative Atomic Mass = 119.920677(11)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 121
Relative Atomic Mass = 120.917229(15)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 122
Relative Atomic Mass = 121.916110(30)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 123
Relative Atomic Mass = 122.912996(13)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 124
Relative Atomic Mass = 123.912258(9)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 125
Relative Atomic Mass = 124.909728(8)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 126
Relative Atomic Mass = 125.909452(13)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 127
Relative Atomic Mass = 126.907418(6)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 128
Relative Atomic Mass = 127.907749(6)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 129
Relative Atomic Mass = 128.906064(5)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 130
Relative Atomic Mass = 129.906709(9)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 131
Relative Atomic Mass = 130.905464(5)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 132
Relative Atomic Mass = 131.9064343(20)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 133
Relative Atomic Mass = 132.905451933(24)
Isotopic Composition = 1.0000
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 134
Relative Atomic Mass = 133.906718475(28)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 135
Relative Atomic Mass = 134.9059770(11)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 136
Relative Atomic Mass = 135.9073116(20)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 137
Relative Atomic Mass = 136.9070895(5)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 138
Relative Atomic Mass = 137.911017(10)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 139
Relative Atomic Mass = 138.913364(3)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 140
Relative Atomic Mass = 139.917282(9)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 141
Relative Atomic Mass = 140.920046(11)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 142
Relative Atomic Mass = 141.924299(11)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 143
Relative Atomic Mass = 142.927352(25)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 144
Relative Atomic Mass = 143.932077(28)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 145
Relative Atomic Mass = 144.935526(12)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 146
Relative Atomic Mass = 145.940290(80)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 147
Relative Atomic Mass = 146.944160(60)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 148
Relative Atomic Mass = 147.94922(62)
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 149
Relative Atomic Mass = 148.95293(21)#
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 150
Relative Atomic Mass = 149.95817(32)#
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 55
Atomic Symbol = Cs
Mass Number = 151
Relative Atomic Mass = 150.96219(54)#
Isotopic Composition = 
Standard Atomic Weight = 132.9054519(2)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 114
Relative Atomic Mass = 113.95068(15)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 115
Relative Atomic Mass = 114.94737(64)#
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 116
Relative Atomic Mass = 115.94138(43)#
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 117
Relative Atomic Mass = 116.93850(32)#
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 118
Relative Atomic Mass = 117.93304(21)#
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 119
Relative Atomic Mass = 118.93066(21)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 120
Relative Atomic Mass = 119.92604(32)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 121
Relative Atomic Mass = 120.92405(15)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 122
Relative Atomic Mass = 121.919900(30)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 123
Relative Atomic Mass = 122.918781(13)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 124
Relative Atomic Mass = 123.915094(13)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 125
Relative Atomic Mass = 124.914473(12)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 126
Relative Atomic Mass = 125.911250(13)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 127
Relative Atomic Mass = 126.911094(12)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 128
Relative Atomic Mass = 127.908318(11)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 129
Relative Atomic Mass = 128.908679(12)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 130
Relative Atomic Mass = 129.9063208(30)
Isotopic Composition = 0.00106(1)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 131
Relative Atomic Mass = 130.906941(3)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 132
Relative Atomic Mass = 131.9050613(11)
Isotopic Composition = 0.00101(1)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 133
Relative Atomic Mass = 132.9060075(11)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 134
Relative Atomic Mass = 133.9045084(4)
Isotopic Composition = 0.02417(18)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 135
Relative Atomic Mass = 134.9056886(4)
Isotopic Composition = 0.06592(12)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 136
Relative Atomic Mass = 135.9045759(4)
Isotopic Composition = 0.07854(24)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 137
Relative Atomic Mass = 136.9058274(5)
Isotopic Composition = 0.11232(24)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 138
Relative Atomic Mass = 137.9052472(5)
Isotopic Composition = 0.71698(42)
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 139
Relative Atomic Mass = 138.9088413(5)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 140
Relative Atomic Mass = 139.910605(9)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 141
Relative Atomic Mass = 140.914411(9)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 142
Relative Atomic Mass = 141.916453(7)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 143
Relative Atomic Mass = 142.920627(14)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 144
Relative Atomic Mass = 143.922953(14)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 145
Relative Atomic Mass = 144.927630(80)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 146
Relative Atomic Mass = 145.930220(80)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 147
Relative Atomic Mass = 146.93495(22)#
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 148
Relative Atomic Mass = 147.937720(90)
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 149
Relative Atomic Mass = 148.94258(21)#
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 150
Relative Atomic Mass = 149.94568(43)#
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 151
Relative Atomic Mass = 150.95081(43)#
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 152
Relative Atomic Mass = 151.95427(54)#
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 56
Atomic Symbol = Ba
Mass Number = 153
Relative Atomic Mass = 152.95961(86)#
Isotopic Composition = 
Standard Atomic Weight = 137.327(7)
Notes =  

Atomic Number = 57
Atomic Symbol = La
Mass Number = 117
Relative Atomic Mass = 116.95007(43)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 118
Relative Atomic Mass = 117.94673(32)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 119
Relative Atomic Mass = 118.94099(43)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 120
Relative Atomic Mass = 119.93807(54)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 121
Relative Atomic Mass = 120.93301(54)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 122
Relative Atomic Mass = 121.93071(32)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 123
Relative Atomic Mass = 122.92624(21)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 124
Relative Atomic Mass = 123.924570(60)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 125
Relative Atomic Mass = 124.920816(28)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 126
Relative Atomic Mass = 125.91951(10)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 127
Relative Atomic Mass = 126.916375(28)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 128
Relative Atomic Mass = 127.915590(60)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 129
Relative Atomic Mass = 128.912693(22)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 130
Relative Atomic Mass = 129.912369(28)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 131
Relative Atomic Mass = 130.910070(30)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 132
Relative Atomic Mass = 131.910100(40)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 133
Relative Atomic Mass = 132.908220(30)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 134
Relative Atomic Mass = 133.908514(21)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 135
Relative Atomic Mass = 134.906977(11)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 136
Relative Atomic Mass = 135.907640(60)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 137
Relative Atomic Mass = 136.906494(14)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 138
Relative Atomic Mass = 137.907112(4)
Isotopic Composition = 0.00090(1)
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 139
Relative Atomic Mass = 138.9063533(26)
Isotopic Composition = 0.99910(1)
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 140
Relative Atomic Mass = 139.9094776(26)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 141
Relative Atomic Mass = 140.910962(5)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 142
Relative Atomic Mass = 141.914079(6)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 143
Relative Atomic Mass = 142.916063(17)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 144
Relative Atomic Mass = 143.919600(50)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 145
Relative Atomic Mass = 144.92165(10)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 146
Relative Atomic Mass = 145.925790(80)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 147
Relative Atomic Mass = 146.928240(50)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 148
Relative Atomic Mass = 147.932230(60)
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 149
Relative Atomic Mass = 148.93473(34)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 150
Relative Atomic Mass = 149.93877(43)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 151
Relative Atomic Mass = 150.94172(43)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 152
Relative Atomic Mass = 151.94625(43)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 153
Relative Atomic Mass = 152.94962(64)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 154
Relative Atomic Mass = 153.95450(64)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 57
Atomic Symbol = La
Mass Number = 155
Relative Atomic Mass = 154.95835(86)#
Isotopic Composition = 
Standard Atomic Weight = 138.90547(7)
Notes = g

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 119
Relative Atomic Mass = 118.95276(64)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 120
Relative Atomic Mass = 119.94664(75)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 121
Relative Atomic Mass = 120.94342(54)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 122
Relative Atomic Mass = 121.93791(43)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 123
Relative Atomic Mass = 122.93540(32)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 124
Relative Atomic Mass = 123.93041(32)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 125
Relative Atomic Mass = 124.92844(21)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 126
Relative Atomic Mass = 125.923970(30)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 127
Relative Atomic Mass = 126.922730(60)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 128
Relative Atomic Mass = 127.918910(30)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 129
Relative Atomic Mass = 128.918100(30)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 130
Relative Atomic Mass = 129.914740(30)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 131
Relative Atomic Mass = 130.914420(40)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 132
Relative Atomic Mass = 131.911460(22)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 133
Relative Atomic Mass = 132.911515(18)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 134
Relative Atomic Mass = 133.908925(22)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 135
Relative Atomic Mass = 134.909151(12)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 136
Relative Atomic Mass = 135.907172(14)
Isotopic Composition = 0.00185(2)
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 137
Relative Atomic Mass = 136.907806(14)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 138
Relative Atomic Mass = 137.905991(11)
Isotopic Composition = 0.00251(2)
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 139
Relative Atomic Mass = 138.906653(8)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 140
Relative Atomic Mass = 139.9054387(26)
Isotopic Composition = 0.88450(51)
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 141
Relative Atomic Mass = 140.9082763(26)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 142
Relative Atomic Mass = 141.909244(3)
Isotopic Composition = 0.11114(51)
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 143
Relative Atomic Mass = 142.912386(3)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 144
Relative Atomic Mass = 143.913647(4)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 145
Relative Atomic Mass = 144.917230(40)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 146
Relative Atomic Mass = 145.918760(70)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 147
Relative Atomic Mass = 146.922670(30)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 148
Relative Atomic Mass = 147.924430(30)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 149
Relative Atomic Mass = 148.92840(10)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 150
Relative Atomic Mass = 149.930410(50)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 151
Relative Atomic Mass = 150.93398(11)
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 152
Relative Atomic Mass = 151.93654(21)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 153
Relative Atomic Mass = 152.94058(43)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 154
Relative Atomic Mass = 153.94342(54)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 155
Relative Atomic Mass = 154.94804(64)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 156
Relative Atomic Mass = 155.95126(64)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 58
Atomic Symbol = Ce
Mass Number = 157
Relative Atomic Mass = 156.95634(75)#
Isotopic Composition = 
Standard Atomic Weight = 140.116(1)
Notes = g,f

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 121
Relative Atomic Mass = 120.95536(75)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 122
Relative Atomic Mass = 121.95181(54)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 123
Relative Atomic Mass = 122.94596(64)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 124
Relative Atomic Mass = 123.94296(64)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 125
Relative Atomic Mass = 124.93783(43)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 126
Relative Atomic Mass = 125.93531(21)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 127
Relative Atomic Mass = 126.93083(21)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 128
Relative Atomic Mass = 127.928790(30)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 129
Relative Atomic Mass = 128.925100(30)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 130
Relative Atomic Mass = 129.923590(70)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 131
Relative Atomic Mass = 130.920260(60)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 132
Relative Atomic Mass = 131.919260(60)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 133
Relative Atomic Mass = 132.916331(13)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 134
Relative Atomic Mass = 133.915710(40)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 135
Relative Atomic Mass = 134.913112(13)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 136
Relative Atomic Mass = 135.912692(13)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 137
Relative Atomic Mass = 136.910705(13)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 138
Relative Atomic Mass = 137.910755(15)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 139
Relative Atomic Mass = 138.908938(8)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 140
Relative Atomic Mass = 139.909076(7)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 141
Relative Atomic Mass = 140.9076528(26)
Isotopic Composition = 1.0000
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 142
Relative Atomic Mass = 141.9100448(26)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 143
Relative Atomic Mass = 142.9108169(28)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 144
Relative Atomic Mass = 143.913305(4)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 145
Relative Atomic Mass = 144.914512(8)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 146
Relative Atomic Mass = 145.917640(70)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 147
Relative Atomic Mass = 146.918996(25)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 148
Relative Atomic Mass = 147.922135(28)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 149
Relative Atomic Mass = 148.923720(90)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 150
Relative Atomic Mass = 149.926673(28)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 151
Relative Atomic Mass = 150.928319(25)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 152
Relative Atomic Mass = 151.93150(13)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 153
Relative Atomic Mass = 152.93384(11)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 154
Relative Atomic Mass = 153.93752(16)
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 155
Relative Atomic Mass = 154.94012(32)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 156
Relative Atomic Mass = 155.94427(43)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 157
Relative Atomic Mass = 156.94743(43)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 158
Relative Atomic Mass = 157.95198(64)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 59
Atomic Symbol = Pr
Mass Number = 159
Relative Atomic Mass = 158.95550(75)#
Isotopic Composition = 
Standard Atomic Weight = 140.90765(2)
Notes =  

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 124
Relative Atomic Mass = 123.95223(64)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 125
Relative Atomic Mass = 124.94888(43)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 126
Relative Atomic Mass = 125.94322(43)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 127
Relative Atomic Mass = 126.94050(43)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 128
Relative Atomic Mass = 127.93539(21)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 129
Relative Atomic Mass = 128.93319(22)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 130
Relative Atomic Mass = 129.928510(30)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 131
Relative Atomic Mass = 130.927250(30)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 132
Relative Atomic Mass = 131.923321(26)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 133
Relative Atomic Mass = 132.922350(50)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 134
Relative Atomic Mass = 133.918790(13)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 135
Relative Atomic Mass = 134.918181(21)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 136
Relative Atomic Mass = 135.914976(13)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 137
Relative Atomic Mass = 136.914567(12)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 138
Relative Atomic Mass = 137.911950(13)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 139
Relative Atomic Mass = 138.911978(28)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 140
Relative Atomic Mass = 139.909550(30)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 141
Relative Atomic Mass = 140.909610(4)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 142
Relative Atomic Mass = 141.9077233(25)
Isotopic Composition = 0.272(5)
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 143
Relative Atomic Mass = 142.9098143(25)
Isotopic Composition = 0.122(2)
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 144
Relative Atomic Mass = 143.9100873(25)
Isotopic Composition = 0.238(3)
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 145
Relative Atomic Mass = 144.9125736(25)
Isotopic Composition = 0.083(1)
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 146
Relative Atomic Mass = 145.9131169(25)
Isotopic Composition = 0.172(3)
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 147
Relative Atomic Mass = 146.9161004(25)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 148
Relative Atomic Mass = 147.916893(3)
Isotopic Composition = 0.057(1)
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 149
Relative Atomic Mass = 148.920149(3)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 150
Relative Atomic Mass = 149.920891(3)
Isotopic Composition = 0.056(2)
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 151
Relative Atomic Mass = 150.923829(3)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 152
Relative Atomic Mass = 151.924682(26)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 153
Relative Atomic Mass = 152.927698(29)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 154
Relative Atomic Mass = 153.92948(12)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 155
Relative Atomic Mass = 154.93293(16)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 156
Relative Atomic Mass = 155.93502(22)
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 157
Relative Atomic Mass = 156.93903(21)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 158
Relative Atomic Mass = 157.94160(43)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 159
Relative Atomic Mass = 158.94609(54)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 160
Relative Atomic Mass = 159.94909(64)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 60
Atomic Symbol = Nd
Mass Number = 161
Relative Atomic Mass = 160.95388(75)#
Isotopic Composition = 
Standard Atomic Weight = 144.242(3)
Notes = g,f

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 126
Relative Atomic Mass = 125.95752(54)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 127
Relative Atomic Mass = 126.95163(64)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 128
Relative Atomic Mass = 127.94842(43)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 129
Relative Atomic Mass = 128.94316(43)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 130
Relative Atomic Mass = 129.94045(32)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 131
Relative Atomic Mass = 130.93587(21)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 132
Relative Atomic Mass = 131.93375(21)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 133
Relative Atomic Mass = 132.929780(50)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 134
Relative Atomic Mass = 133.928350(60)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 135
Relative Atomic Mass = 134.924880(60)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 136
Relative Atomic Mass = 135.923570(80)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 137
Relative Atomic Mass = 136.920479(14)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 138
Relative Atomic Mass = 137.919548(30)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 139
Relative Atomic Mass = 138.916804(14)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 140
Relative Atomic Mass = 139.916040(40)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 141
Relative Atomic Mass = 140.913555(15)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 142
Relative Atomic Mass = 141.912874(27)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 143
Relative Atomic Mass = 142.910933(4)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 144
Relative Atomic Mass = 143.912591(3)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 145
Relative Atomic Mass = 144.912749(3)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 146
Relative Atomic Mass = 145.914696(5)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 147
Relative Atomic Mass = 146.9151385(26)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 148
Relative Atomic Mass = 147.917475(7)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 149
Relative Atomic Mass = 148.918334(4)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 150
Relative Atomic Mass = 149.920984(22)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 151
Relative Atomic Mass = 150.921207(6)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 152
Relative Atomic Mass = 151.923497(28)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 153
Relative Atomic Mass = 152.924117(12)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 154
Relative Atomic Mass = 153.926460(50)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 155
Relative Atomic Mass = 154.928100(30)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 156
Relative Atomic Mass = 155.931060(40)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 157
Relative Atomic Mass = 156.93304(12)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 158
Relative Atomic Mass = 157.93656(14)
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 159
Relative Atomic Mass = 158.93897(21)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 160
Relative Atomic Mass = 159.94299(32)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 161
Relative Atomic Mass = 160.94586(54)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 162
Relative Atomic Mass = 161.95029(75)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 61
Atomic Symbol = Pm
Mass Number = 163
Relative Atomic Mass = 162.95368(86)#
Isotopic Composition = 
Standard Atomic Weight = [145]
Notes =  

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 128
Relative Atomic Mass = 127.95808(54)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 129
Relative Atomic Mass = 128.95464(54)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 130
Relative Atomic Mass = 129.94892(43)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 131
Relative Atomic Mass = 130.94611(32)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 132
Relative Atomic Mass = 131.94069(32)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 133
Relative Atomic Mass = 132.93867(21)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 134
Relative Atomic Mass = 133.93397(21)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 135
Relative Atomic Mass = 134.93252(17)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 136
Relative Atomic Mass = 135.928276(13)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 137
Relative Atomic Mass = 136.926970(50)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 138
Relative Atomic Mass = 137.923244(13)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 139
Relative Atomic Mass = 138.922297(12)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 140
Relative Atomic Mass = 139.918995(13)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 141
Relative Atomic Mass = 140.918476(9)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 142
Relative Atomic Mass = 141.915198(6)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 143
Relative Atomic Mass = 142.914628(4)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 144
Relative Atomic Mass = 143.911999(3)
Isotopic Composition = 0.0307(7)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 145
Relative Atomic Mass = 144.913410(3)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 146
Relative Atomic Mass = 145.913041(4)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 147
Relative Atomic Mass = 146.9148979(26)
Isotopic Composition = 0.1499(18)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 148
Relative Atomic Mass = 147.9148227(26)
Isotopic Composition = 0.1124(10)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 149
Relative Atomic Mass = 148.9171847(26)
Isotopic Composition = 0.1382(7)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 150
Relative Atomic Mass = 149.9172755(26)
Isotopic Composition = 0.0738(1)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 151
Relative Atomic Mass = 150.9199324(26)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 152
Relative Atomic Mass = 151.9197324(27)
Isotopic Composition = 0.2675(16)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 153
Relative Atomic Mass = 152.9220974(27)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 154
Relative Atomic Mass = 153.9222093(27)
Isotopic Composition = 0.2275(29)
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 155
Relative Atomic Mass = 154.9246402(28)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 156
Relative Atomic Mass = 155.925528(10)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 157
Relative Atomic Mass = 156.928360(50)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 158
Relative Atomic Mass = 157.929990(80)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 159
Relative Atomic Mass = 158.93321(11)
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 160
Relative Atomic Mass = 159.93514(21)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 161
Relative Atomic Mass = 160.93883(32)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 162
Relative Atomic Mass = 161.94122(54)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 163
Relative Atomic Mass = 162.94536(75)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 164
Relative Atomic Mass = 163.94828(86)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 62
Atomic Symbol = Sm
Mass Number = 165
Relative Atomic Mass = 164.95298(97)#
Isotopic Composition = 
Standard Atomic Weight = 150.36(2)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 130
Relative Atomic Mass = 129.96357(54)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 131
Relative Atomic Mass = 130.95775(43)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 132
Relative Atomic Mass = 131.95437(43)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 133
Relative Atomic Mass = 132.94924(32)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 134
Relative Atomic Mass = 133.94651(21)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 135
Relative Atomic Mass = 134.94182(32)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 136
Relative Atomic Mass = 135.93960(21)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 137
Relative Atomic Mass = 136.93557(21)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 138
Relative Atomic Mass = 137.933710(30)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 139
Relative Atomic Mass = 138.929792(14)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 140
Relative Atomic Mass = 139.928090(60)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 141
Relative Atomic Mass = 140.924931(14)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 142
Relative Atomic Mass = 141.923430(30)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 143
Relative Atomic Mass = 142.920298(12)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 144
Relative Atomic Mass = 143.918817(12)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 145
Relative Atomic Mass = 144.916265(4)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 146
Relative Atomic Mass = 145.917206(7)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 147
Relative Atomic Mass = 146.916746(3)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 148
Relative Atomic Mass = 147.918086(11)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 149
Relative Atomic Mass = 148.917931(5)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 150
Relative Atomic Mass = 149.919702(7)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 151
Relative Atomic Mass = 150.9198502(26)
Isotopic Composition = 0.4781(6)
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 152
Relative Atomic Mass = 151.9217445(26)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 153
Relative Atomic Mass = 152.9212303(26)
Isotopic Composition = 0.5219(6)
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 154
Relative Atomic Mass = 153.9229792(26)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 155
Relative Atomic Mass = 154.9228933(27)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 156
Relative Atomic Mass = 155.924752(6)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 157
Relative Atomic Mass = 156.925424(6)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 158
Relative Atomic Mass = 157.927850(80)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 159
Relative Atomic Mass = 158.929089(8)
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 160
Relative Atomic Mass = 159.93197(22)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 161
Relative Atomic Mass = 160.93368(32)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 162
Relative Atomic Mass = 161.93704(32)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 163
Relative Atomic Mass = 162.93921(54)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 164
Relative Atomic Mass = 163.94299(64)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 165
Relative Atomic Mass = 164.94572(75)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 166
Relative Atomic Mass = 165.94997(86)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 63
Atomic Symbol = Eu
Mass Number = 167
Relative Atomic Mass = 166.95321(86)#
Isotopic Composition = 
Standard Atomic Weight = 151.964(1)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 134
Relative Atomic Mass = 133.95537(43)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 135
Relative Atomic Mass = 134.95257(54)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 136
Relative Atomic Mass = 135.94734(43)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 137
Relative Atomic Mass = 136.94502(43)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 138
Relative Atomic Mass = 137.94012(21)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 139
Relative Atomic Mass = 138.93824(21)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 140
Relative Atomic Mass = 139.933670(30)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 141
Relative Atomic Mass = 140.932126(21)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 142
Relative Atomic Mass = 141.928120(30)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 143
Relative Atomic Mass = 142.92675(22)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 144
Relative Atomic Mass = 143.922960(30)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 145
Relative Atomic Mass = 144.921709(20)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 146
Relative Atomic Mass = 145.918311(5)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 147
Relative Atomic Mass = 146.919094(3)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 148
Relative Atomic Mass = 147.918115(3)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 149
Relative Atomic Mass = 148.919341(4)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 150
Relative Atomic Mass = 149.918659(7)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 151
Relative Atomic Mass = 150.920348(4)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 152
Relative Atomic Mass = 151.9197910(27)
Isotopic Composition = 0.0020(1)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 153
Relative Atomic Mass = 152.9217495(27)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 154
Relative Atomic Mass = 153.9208656(27)
Isotopic Composition = 0.0218(3)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 155
Relative Atomic Mass = 154.9226220(27)
Isotopic Composition = 0.1480(12)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 156
Relative Atomic Mass = 155.9221227(27)
Isotopic Composition = 0.2047(9)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 157
Relative Atomic Mass = 156.9239601(27)
Isotopic Composition = 0.1565(2)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 158
Relative Atomic Mass = 157.9241039(27)
Isotopic Composition = 0.2484(7)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 159
Relative Atomic Mass = 158.9263887(27)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 160
Relative Atomic Mass = 159.9270541(27)
Isotopic Composition = 0.2186(19)
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 161
Relative Atomic Mass = 160.9296692(29)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 162
Relative Atomic Mass = 161.930985(5)
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 163
Relative Atomic Mass = 162.93399(32)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 164
Relative Atomic Mass = 163.93586(43)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 165
Relative Atomic Mass = 164.93938(54)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 166
Relative Atomic Mass = 165.94160(64)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 167
Relative Atomic Mass = 166.94557(64)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 168
Relative Atomic Mass = 167.94836(75)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 64
Atomic Symbol = Gd
Mass Number = 169
Relative Atomic Mass = 168.95287(86)#
Isotopic Composition = 
Standard Atomic Weight = 157.25(3)
Notes = g

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 136
Relative Atomic Mass = 135.96138(64)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 137
Relative Atomic Mass = 136.95598(64)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 138
Relative Atomic Mass = 137.95316(43)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 139
Relative Atomic Mass = 138.94829(32)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 140
Relative Atomic Mass = 139.94581(86)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 141
Relative Atomic Mass = 140.94145(11)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 142
Relative Atomic Mass = 141.93874(32)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 143
Relative Atomic Mass = 142.935120(60)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 144
Relative Atomic Mass = 143.933050(30)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 145
Relative Atomic Mass = 144.929270(60)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 146
Relative Atomic Mass = 145.927250(50)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 147
Relative Atomic Mass = 146.924045(13)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 148
Relative Atomic Mass = 147.924272(15)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 149
Relative Atomic Mass = 148.923246(5)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 150
Relative Atomic Mass = 149.923660(8)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 151
Relative Atomic Mass = 150.923103(5)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 152
Relative Atomic Mass = 151.924070(40)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 153
Relative Atomic Mass = 152.923435(5)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 154
Relative Atomic Mass = 153.924680(50)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 155
Relative Atomic Mass = 154.923505(13)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 156
Relative Atomic Mass = 155.924747(5)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 157
Relative Atomic Mass = 156.9240246(27)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 158
Relative Atomic Mass = 157.9254131(28)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 159
Relative Atomic Mass = 158.9253468(27)
Isotopic Composition = 1.0000
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 160
Relative Atomic Mass = 159.9271676(27)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 161
Relative Atomic Mass = 160.9275699(28)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 162
Relative Atomic Mass = 161.929490(40)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 163
Relative Atomic Mass = 162.930648(5)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 164
Relative Atomic Mass = 163.93335(11)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 165
Relative Atomic Mass = 164.93488(21)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 166
Relative Atomic Mass = 165.93799(11)
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 167
Relative Atomic Mass = 166.94005(43)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 168
Relative Atomic Mass = 167.94364(54)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 169
Relative Atomic Mass = 168.94622(64)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 170
Relative Atomic Mass = 169.95025(75)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 65
Atomic Symbol = Tb
Mass Number = 171
Relative Atomic Mass = 170.95330(86)#
Isotopic Composition = 
Standard Atomic Weight = 158.92535(2)
Notes =  

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 138
Relative Atomic Mass = 137.96249(64)#
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 139
Relative Atomic Mass = 138.95954(54)#
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 140
Relative Atomic Mass = 139.95401(54)#
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 141
Relative Atomic Mass = 140.95135(32)#
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 142
Relative Atomic Mass = 141.94637(39)#
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 143
Relative Atomic Mass = 142.94383(21)#
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 144
Relative Atomic Mass = 143.939250(30)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 145
Relative Atomic Mass = 144.937430(50)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 146
Relative Atomic Mass = 145.932845(29)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 147
Relative Atomic Mass = 146.931092(21)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 148
Relative Atomic Mass = 147.927150(11)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 149
Relative Atomic Mass = 148.927305(9)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 150
Relative Atomic Mass = 149.925585(5)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 151
Relative Atomic Mass = 150.926185(4)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 152
Relative Atomic Mass = 151.924718(6)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 153
Relative Atomic Mass = 152.925765(5)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 154
Relative Atomic Mass = 153.924424(8)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 155
Relative Atomic Mass = 154.925754(13)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 156
Relative Atomic Mass = 155.924283(7)
Isotopic Composition = 0.00056(3)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 157
Relative Atomic Mass = 156.925466(7)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 158
Relative Atomic Mass = 157.924409(4)
Isotopic Composition = 0.00095(3)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 159
Relative Atomic Mass = 158.9257392(29)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 160
Relative Atomic Mass = 159.9251975(27)
Isotopic Composition = 0.02329(18)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 161
Relative Atomic Mass = 160.9269334(27)
Isotopic Composition = 0.18889(42)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 162
Relative Atomic Mass = 161.9267984(27)
Isotopic Composition = 0.25475(36)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 163
Relative Atomic Mass = 162.9287312(27)
Isotopic Composition = 0.24896(42)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 164
Relative Atomic Mass = 163.9291748(27)
Isotopic Composition = 0.28260(54)
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 165
Relative Atomic Mass = 164.9317033(27)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 166
Relative Atomic Mass = 165.9328067(28)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 167
Relative Atomic Mass = 166.935660(60)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 168
Relative Atomic Mass = 167.93713(15)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 169
Relative Atomic Mass = 168.94031(32)
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 170
Relative Atomic Mass = 169.94239(21)#
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 171
Relative Atomic Mass = 170.94620(32)#
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 172
Relative Atomic Mass = 171.94876(43)#
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 66
Atomic Symbol = Dy
Mass Number = 173
Relative Atomic Mass = 172.95300(54)#
Isotopic Composition = 
Standard Atomic Weight = 162.500(1)
Notes = g

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 140
Relative Atomic Mass = 139.96854(54)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 141
Relative Atomic Mass = 140.96310(54)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 142
Relative Atomic Mass = 141.95977(54)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 143
Relative Atomic Mass = 142.95461(43)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 144
Relative Atomic Mass = 143.95148(32)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 145
Relative Atomic Mass = 144.94720(32)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 146
Relative Atomic Mass = 145.94464(21)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 147
Relative Atomic Mass = 146.940060(30)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 148
Relative Atomic Mass = 147.93772(14)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 149
Relative Atomic Mass = 148.933775(20)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 150
Relative Atomic Mass = 149.933496(15)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 151
Relative Atomic Mass = 150.931688(13)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 152
Relative Atomic Mass = 151.931714(15)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 153
Relative Atomic Mass = 152.930199(6)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 154
Relative Atomic Mass = 153.930602(9)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 155
Relative Atomic Mass = 154.929103(19)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 156
Relative Atomic Mass = 155.929840(50)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 157
Relative Atomic Mass = 156.928256(26)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 158
Relative Atomic Mass = 157.928941(29)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 159
Relative Atomic Mass = 158.927712(4)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 160
Relative Atomic Mass = 159.928729(16)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 161
Relative Atomic Mass = 160.927855(3)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 162
Relative Atomic Mass = 161.929096(4)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 163
Relative Atomic Mass = 162.9287339(27)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 164
Relative Atomic Mass = 163.9302335(30)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 165
Relative Atomic Mass = 164.9303221(27)
Isotopic Composition = 1.0000
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 166
Relative Atomic Mass = 165.9322842(27)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 167
Relative Atomic Mass = 166.933133(6)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 168
Relative Atomic Mass = 167.935520(30)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 169
Relative Atomic Mass = 168.936872(22)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 170
Relative Atomic Mass = 169.939620(50)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 171
Relative Atomic Mass = 170.94147(64)
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 172
Relative Atomic Mass = 171.94482(43)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 173
Relative Atomic Mass = 172.94729(43)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 174
Relative Atomic Mass = 173.95115(54)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 67
Atomic Symbol = Ho
Mass Number = 175
Relative Atomic Mass = 174.95405(64)#
Isotopic Composition = 
Standard Atomic Weight = 164.93032(2)
Notes =  

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 143
Relative Atomic Mass = 142.96634(64)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 144
Relative Atomic Mass = 143.96038(43)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 145
Relative Atomic Mass = 144.95739(43)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 146
Relative Atomic Mass = 145.95200(32)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 147
Relative Atomic Mass = 146.94949(32)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 148
Relative Atomic Mass = 147.94455(21)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 149
Relative Atomic Mass = 148.942310(30)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 150
Relative Atomic Mass = 149.937914(18)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 151
Relative Atomic Mass = 150.937449(18)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 152
Relative Atomic Mass = 151.935050(11)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 153
Relative Atomic Mass = 152.935063(9)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 154
Relative Atomic Mass = 153.932783(6)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 155
Relative Atomic Mass = 154.933209(7)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 156
Relative Atomic Mass = 155.931065(26)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 157
Relative Atomic Mass = 156.931920(30)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 158
Relative Atomic Mass = 157.929893(27)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 159
Relative Atomic Mass = 158.930684(5)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 160
Relative Atomic Mass = 159.929083(26)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 161
Relative Atomic Mass = 160.929995(10)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 162
Relative Atomic Mass = 161.928778(4)
Isotopic Composition = 0.00139(5)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 163
Relative Atomic Mass = 162.930033(6)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 164
Relative Atomic Mass = 163.929200(3)
Isotopic Composition = 0.01601(3)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 165
Relative Atomic Mass = 164.930726(3)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 166
Relative Atomic Mass = 165.9302931(27)
Isotopic Composition = 0.33503(36)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 167
Relative Atomic Mass = 166.9320482(27)
Isotopic Composition = 0.22869(9)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 168
Relative Atomic Mass = 167.9323702(27)
Isotopic Composition = 0.26978(18)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 169
Relative Atomic Mass = 168.9345904(27)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 170
Relative Atomic Mass = 169.9354643(30)
Isotopic Composition = 0.14910(36)
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 171
Relative Atomic Mass = 170.9380298(30)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 172
Relative Atomic Mass = 171.939356(5)
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 173
Relative Atomic Mass = 172.94240(21)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 174
Relative Atomic Mass = 173.94423(32)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 175
Relative Atomic Mass = 174.94777(43)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 176
Relative Atomic Mass = 175.95008(43)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 68
Atomic Symbol = Er
Mass Number = 177
Relative Atomic Mass = 176.95405(54)#
Isotopic Composition = 
Standard Atomic Weight = 167.259(3)
Notes = g

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 145
Relative Atomic Mass = 144.97007(43)#
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 146
Relative Atomic Mass = 145.96643(43)#
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 147
Relative Atomic Mass = 146.96096(32)#
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 148
Relative Atomic Mass = 147.95784(43)#
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 149
Relative Atomic Mass = 148.95272(32)#
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 150
Relative Atomic Mass = 149.94996(21)#
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 151
Relative Atomic Mass = 150.945483(22)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 152
Relative Atomic Mass = 151.944420(80)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 153
Relative Atomic Mass = 152.942012(20)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 154
Relative Atomic Mass = 153.941568(15)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 155
Relative Atomic Mass = 154.939199(14)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 156
Relative Atomic Mass = 155.938980(17)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 157
Relative Atomic Mass = 156.936970(30)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 158
Relative Atomic Mass = 157.936980(27)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 159
Relative Atomic Mass = 158.934980(30)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 160
Relative Atomic Mass = 159.935260(40)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 161
Relative Atomic Mass = 160.933550(30)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 162
Relative Atomic Mass = 161.933995(28)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 163
Relative Atomic Mass = 162.932651(6)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 164
Relative Atomic Mass = 163.933560(30)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 165
Relative Atomic Mass = 164.932435(4)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 166
Relative Atomic Mass = 165.933554(13)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 167
Relative Atomic Mass = 166.9328516(29)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 168
Relative Atomic Mass = 167.934173(3)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 169
Relative Atomic Mass = 168.9342133(27)
Isotopic Composition = 1.0000
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 170
Relative Atomic Mass = 169.9358014(27)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 171
Relative Atomic Mass = 170.9364294(28)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 172
Relative Atomic Mass = 171.938400(6)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 173
Relative Atomic Mass = 172.939604(5)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 174
Relative Atomic Mass = 173.942170(50)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 175
Relative Atomic Mass = 174.943840(50)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 176
Relative Atomic Mass = 175.94699(11)
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 177
Relative Atomic Mass = 176.94904(32)#
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 178
Relative Atomic Mass = 177.95264(43)#
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 69
Atomic Symbol = Tm
Mass Number = 179
Relative Atomic Mass = 178.95534(54)#
Isotopic Composition = 
Standard Atomic Weight = 168.93421(2)
Notes =  

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 148
Relative Atomic Mass = 147.96742(64)#
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 149
Relative Atomic Mass = 148.96404(54)#
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 150
Relative Atomic Mass = 149.95842(43)#
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 151
Relative Atomic Mass = 150.95540(32)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 152
Relative Atomic Mass = 151.95029(22)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 153
Relative Atomic Mass = 152.94948(21)#
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 154
Relative Atomic Mass = 153.946394(19)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 155
Relative Atomic Mass = 154.945782(18)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 156
Relative Atomic Mass = 155.942818(12)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 157
Relative Atomic Mass = 156.942628(11)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 158
Relative Atomic Mass = 157.939866(9)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 159
Relative Atomic Mass = 158.940050(20)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 160
Relative Atomic Mass = 159.937552(18)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 161
Relative Atomic Mass = 160.937902(17)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 162
Relative Atomic Mass = 161.935768(17)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 163
Relative Atomic Mass = 162.936334(17)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 164
Relative Atomic Mass = 163.934489(17)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 165
Relative Atomic Mass = 164.935280(30)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 166
Relative Atomic Mass = 165.933882(9)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 167
Relative Atomic Mass = 166.934950(5)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 168
Relative Atomic Mass = 167.933897(5)
Isotopic Composition = 0.0013(1)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 169
Relative Atomic Mass = 168.935190(5)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 170
Relative Atomic Mass = 169.9347618(26)
Isotopic Composition = 0.0304(15)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 171
Relative Atomic Mass = 170.9363258(26)
Isotopic Composition = 0.1428(57)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 172
Relative Atomic Mass = 171.9363815(26)
Isotopic Composition = 0.2183(67)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 173
Relative Atomic Mass = 172.9382108(26)
Isotopic Composition = 0.1613(27)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 174
Relative Atomic Mass = 173.9388621(26)
Isotopic Composition = 0.3183(92)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 175
Relative Atomic Mass = 174.9412765(26)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 176
Relative Atomic Mass = 175.9425717(28)
Isotopic Composition = 0.1276(41)
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 177
Relative Atomic Mass = 176.9452608(28)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 178
Relative Atomic Mass = 177.946647(11)
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 179
Relative Atomic Mass = 178.95017(32)#
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 180
Relative Atomic Mass = 179.95233(43)#
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 70
Atomic Symbol = Yb
Mass Number = 181
Relative Atomic Mass = 180.95615(43)#
Isotopic Composition = 
Standard Atomic Weight = 173.054(5)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 150
Relative Atomic Mass = 149.97323(54)#
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 151
Relative Atomic Mass = 150.96758(43)#
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 152
Relative Atomic Mass = 151.96412(21)#
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 153
Relative Atomic Mass = 152.95877(22)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 154
Relative Atomic Mass = 153.95752(22)#
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 155
Relative Atomic Mass = 154.954316(22)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 156
Relative Atomic Mass = 155.953030(80)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 157
Relative Atomic Mass = 156.950098(20)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 158
Relative Atomic Mass = 157.949313(16)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 159
Relative Atomic Mass = 158.946630(40)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 160
Relative Atomic Mass = 159.946030(60)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 161
Relative Atomic Mass = 160.943570(30)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 162
Relative Atomic Mass = 161.943280(80)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 163
Relative Atomic Mass = 162.941180(30)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 164
Relative Atomic Mass = 163.941340(30)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 165
Relative Atomic Mass = 164.939407(28)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 166
Relative Atomic Mass = 165.939860(30)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 167
Relative Atomic Mass = 166.938270(30)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 168
Relative Atomic Mass = 167.938740(50)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 169
Relative Atomic Mass = 168.937651(6)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 170
Relative Atomic Mass = 169.938475(18)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 171
Relative Atomic Mass = 170.9379131(30)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 172
Relative Atomic Mass = 171.939086(3)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 173
Relative Atomic Mass = 172.9389306(26)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 174
Relative Atomic Mass = 173.9403375(26)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 175
Relative Atomic Mass = 174.9407718(23)
Isotopic Composition = 0.9741(2)
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 176
Relative Atomic Mass = 175.9426863(23)
Isotopic Composition = 0.0259(2)
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 177
Relative Atomic Mass = 176.9437581(23)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 178
Relative Atomic Mass = 177.945955(3)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 179
Relative Atomic Mass = 178.947327(6)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 180
Relative Atomic Mass = 179.949880(80)
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 181
Relative Atomic Mass = 180.95197(32)#
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 182
Relative Atomic Mass = 181.95504(21)#
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 183
Relative Atomic Mass = 182.95757(32)#
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 71
Atomic Symbol = Lu
Mass Number = 184
Relative Atomic Mass = 183.96091(43)#
Isotopic Composition = 
Standard Atomic Weight = 174.9668(1)
Notes = g

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 153
Relative Atomic Mass = 152.97069(54)#
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 154
Relative Atomic Mass = 153.96486(54)#
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 155
Relative Atomic Mass = 154.96339(43)#
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 156
Relative Atomic Mass = 155.95936(22)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 157
Relative Atomic Mass = 156.95840(21)#
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 158
Relative Atomic Mass = 157.954799(19)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 159
Relative Atomic Mass = 158.953995(18)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 160
Relative Atomic Mass = 159.950684(12)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 161
Relative Atomic Mass = 160.950275(24)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 162
Relative Atomic Mass = 161.947210(10)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 163
Relative Atomic Mass = 162.947090(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 164
Relative Atomic Mass = 163.944367(22)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 165
Relative Atomic Mass = 164.944570(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 166
Relative Atomic Mass = 165.942180(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 167
Relative Atomic Mass = 166.942600(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 168
Relative Atomic Mass = 167.940570(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 169
Relative Atomic Mass = 168.941260(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 170
Relative Atomic Mass = 169.939610(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 171
Relative Atomic Mass = 170.940490(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 172
Relative Atomic Mass = 171.939448(26)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 173
Relative Atomic Mass = 172.940510(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 174
Relative Atomic Mass = 173.940046(3)
Isotopic Composition = 0.0016(1)
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 175
Relative Atomic Mass = 174.941509(3)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 176
Relative Atomic Mass = 175.9414086(24)
Isotopic Composition = 0.0526(7)
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 177
Relative Atomic Mass = 176.9432207(23)
Isotopic Composition = 0.1860(9)
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 178
Relative Atomic Mass = 177.9436988(23)
Isotopic Composition = 0.2728(7)
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 179
Relative Atomic Mass = 178.9458161(23)
Isotopic Composition = 0.1362(2)
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 180
Relative Atomic Mass = 179.9465500(23)
Isotopic Composition = 0.3508(16)
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 181
Relative Atomic Mass = 180.9491012(23)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 182
Relative Atomic Mass = 181.950554(7)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 183
Relative Atomic Mass = 182.953530(30)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 184
Relative Atomic Mass = 183.955450(40)
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 185
Relative Atomic Mass = 184.95882(21)#
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 186
Relative Atomic Mass = 185.96089(32)#
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 187
Relative Atomic Mass = 186.96459(43)#
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 72
Atomic Symbol = Hf
Mass Number = 188
Relative Atomic Mass = 187.96685(54)#
Isotopic Composition = 
Standard Atomic Weight = 178.49(2)
Notes = f

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 155
Relative Atomic Mass = 154.97459(54)#
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 156
Relative Atomic Mass = 155.97230(43)#
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 157
Relative Atomic Mass = 156.96819(22)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 158
Relative Atomic Mass = 157.96670(22)#
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 159
Relative Atomic Mass = 158.963018(22)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 160
Relative Atomic Mass = 159.96149(10)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 161
Relative Atomic Mass = 160.958420(60)#
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 162
Relative Atomic Mass = 161.957290(60)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 163
Relative Atomic Mass = 162.954330(40)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 164
Relative Atomic Mass = 163.953530(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 165
Relative Atomic Mass = 164.950773(19)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 166
Relative Atomic Mass = 165.950510(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 167
Relative Atomic Mass = 166.948090(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 168
Relative Atomic Mass = 167.948050(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 169
Relative Atomic Mass = 168.946010(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 170
Relative Atomic Mass = 169.946180(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 171
Relative Atomic Mass = 170.944480(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 172
Relative Atomic Mass = 171.944900(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 173
Relative Atomic Mass = 172.943750(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 174
Relative Atomic Mass = 173.944450(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 175
Relative Atomic Mass = 174.943740(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 176
Relative Atomic Mass = 175.944860(30)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 177
Relative Atomic Mass = 176.944472(4)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 178
Relative Atomic Mass = 177.945778(16)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 179
Relative Atomic Mass = 178.9459295(23)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 180
Relative Atomic Mass = 179.9474648(24)
Isotopic Composition = 0.00012(2)
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 181
Relative Atomic Mass = 180.9479958(19)
Isotopic Composition = 0.99988(2)
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 182
Relative Atomic Mass = 181.9501518(19)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 183
Relative Atomic Mass = 182.9513726(19)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 184
Relative Atomic Mass = 183.954008(28)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 185
Relative Atomic Mass = 184.955559(15)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 186
Relative Atomic Mass = 185.958550(60)
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 187
Relative Atomic Mass = 186.96053(21)#
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 188
Relative Atomic Mass = 187.96370(21)#
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 189
Relative Atomic Mass = 188.96583(32)#
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 73
Atomic Symbol = Ta
Mass Number = 190
Relative Atomic Mass = 189.96923(43)#
Isotopic Composition = 
Standard Atomic Weight = 180.94788(2)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 158
Relative Atomic Mass = 157.97456(54)#
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 159
Relative Atomic Mass = 158.97292(43)#
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 160
Relative Atomic Mass = 159.96848(22)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 161
Relative Atomic Mass = 160.96736(21)#
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 162
Relative Atomic Mass = 161.963497(19)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 163
Relative Atomic Mass = 162.962520(60)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 164
Relative Atomic Mass = 163.958954(13)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 165
Relative Atomic Mass = 164.958280(27)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 166
Relative Atomic Mass = 165.955027(11)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 167
Relative Atomic Mass = 166.954816(21)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 168
Relative Atomic Mass = 167.951808(17)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 169
Relative Atomic Mass = 168.951779(17)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 170
Relative Atomic Mass = 169.949228(16)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 171
Relative Atomic Mass = 170.949450(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 172
Relative Atomic Mass = 171.947290(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 173
Relative Atomic Mass = 172.947690(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 174
Relative Atomic Mass = 173.946080(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 175
Relative Atomic Mass = 174.946720(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 176
Relative Atomic Mass = 175.945630(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 177
Relative Atomic Mass = 176.946640(30)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 178
Relative Atomic Mass = 177.945876(16)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 179
Relative Atomic Mass = 178.947070(17)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 180
Relative Atomic Mass = 179.946704(4)
Isotopic Composition = 0.0012(1)
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 181
Relative Atomic Mass = 180.948197(5)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 182
Relative Atomic Mass = 181.9482042(9)
Isotopic Composition = 0.2650(16)
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 183
Relative Atomic Mass = 182.9502230(9)
Isotopic Composition = 0.1431(4)
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 184
Relative Atomic Mass = 183.9509312(9)
Isotopic Composition = 0.3064(2)
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 185
Relative Atomic Mass = 184.9534193(10)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 186
Relative Atomic Mass = 185.9543641(19)
Isotopic Composition = 0.2843(19)
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 187
Relative Atomic Mass = 186.9571605(19)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 188
Relative Atomic Mass = 187.958489(4)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 189
Relative Atomic Mass = 188.96191(21)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 190
Relative Atomic Mass = 189.96318(18)
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 191
Relative Atomic Mass = 190.96660(21)#
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 74
Atomic Symbol = W
Mass Number = 192
Relative Atomic Mass = 191.96817(64)#
Isotopic Composition = 
Standard Atomic Weight = 183.84(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 160
Relative Atomic Mass = 159.98212(43)#
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 161
Relative Atomic Mass = 160.97759(22)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 162
Relative Atomic Mass = 161.97600(22)#
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 163
Relative Atomic Mass = 162.972081(21)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 164
Relative Atomic Mass = 163.97032(17)#
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 165
Relative Atomic Mass = 164.967089(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 166
Relative Atomic Mass = 165.965810(90)#
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 167
Relative Atomic Mass = 166.962600(60)#
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 168
Relative Atomic Mass = 167.961570(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 169
Relative Atomic Mass = 168.958790(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 170
Relative Atomic Mass = 169.958220(28)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 171
Relative Atomic Mass = 170.955720(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 172
Relative Atomic Mass = 171.955420(60)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 173
Relative Atomic Mass = 172.953240(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 174
Relative Atomic Mass = 173.953120(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 175
Relative Atomic Mass = 174.951380(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 176
Relative Atomic Mass = 175.951620(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 177
Relative Atomic Mass = 176.950330(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 178
Relative Atomic Mass = 177.950990(30)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 179
Relative Atomic Mass = 178.949988(26)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 180
Relative Atomic Mass = 179.950789(23)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 181
Relative Atomic Mass = 180.950068(14)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 182
Relative Atomic Mass = 181.95121(11)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 183
Relative Atomic Mass = 182.950820(9)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 184
Relative Atomic Mass = 183.952521(5)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 185
Relative Atomic Mass = 184.9529550(13)
Isotopic Composition = 0.3740(2)
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 186
Relative Atomic Mass = 185.9549861(13)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 187
Relative Atomic Mass = 186.9557531(15)
Isotopic Composition = 0.6260(2)
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 188
Relative Atomic Mass = 187.9581144(15)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 189
Relative Atomic Mass = 188.959229(9)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 190
Relative Atomic Mass = 189.96182(16)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 191
Relative Atomic Mass = 190.963125(11)
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 192
Relative Atomic Mass = 191.96596(21)#
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 193
Relative Atomic Mass = 192.96747(21)#
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 75
Atomic Symbol = Re
Mass Number = 194
Relative Atomic Mass = 193.97042(32)#
Isotopic Composition = 
Standard Atomic Weight = 186.207(1)
Notes =  

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 162
Relative Atomic Mass = 161.98443(54)#
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 163
Relative Atomic Mass = 162.98269(43)#
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 164
Relative Atomic Mass = 163.97804(22)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 165
Relative Atomic Mass = 164.97676(22)#
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 166
Relative Atomic Mass = 165.972691(20)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 167
Relative Atomic Mass = 166.971550(80)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 168
Relative Atomic Mass = 167.967804(13)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 169
Relative Atomic Mass = 168.967019(27)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 170
Relative Atomic Mass = 169.963577(12)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 171
Relative Atomic Mass = 170.963185(20)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 172
Relative Atomic Mass = 171.960023(16)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 173
Relative Atomic Mass = 172.959808(16)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 174
Relative Atomic Mass = 173.957062(12)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 175
Relative Atomic Mass = 174.956946(15)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 176
Relative Atomic Mass = 175.954810(30)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 177
Relative Atomic Mass = 176.954965(17)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 178
Relative Atomic Mass = 177.953251(18)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 179
Relative Atomic Mass = 178.953816(19)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 180
Relative Atomic Mass = 179.952379(22)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 181
Relative Atomic Mass = 180.953240(30)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 182
Relative Atomic Mass = 181.952110(23)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 183
Relative Atomic Mass = 182.953130(50)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 184
Relative Atomic Mass = 183.9524891(14)
Isotopic Composition = 0.0002(1)
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 185
Relative Atomic Mass = 184.9540423(14)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 186
Relative Atomic Mass = 185.9538382(15)
Isotopic Composition = 0.0159(3)
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 187
Relative Atomic Mass = 186.9557505(15)
Isotopic Composition = 0.0196(2)
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 188
Relative Atomic Mass = 187.9558382(15)
Isotopic Composition = 0.1324(8)
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 189
Relative Atomic Mass = 188.9581475(16)
Isotopic Composition = 0.1615(5)
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 190
Relative Atomic Mass = 189.9584470(16)
Isotopic Composition = 0.2626(2)
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 191
Relative Atomic Mass = 190.9609297(16)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 192
Relative Atomic Mass = 191.9614807(27)
Isotopic Composition = 0.4078(19)
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 193
Relative Atomic Mass = 192.9641516(27)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 194
Relative Atomic Mass = 193.9651821(28)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 195
Relative Atomic Mass = 194.96813(54)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 76
Atomic Symbol = Os
Mass Number = 196
Relative Atomic Mass = 195.969640(40)
Isotopic Composition = 
Standard Atomic Weight = 190.23(3)
Notes = g,f

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 164
Relative Atomic Mass = 163.99220(44)#
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 165
Relative Atomic Mass = 164.98752(23)#
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 166
Relative Atomic Mass = 165.98582(22)#
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 167
Relative Atomic Mass = 166.981665(20)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 168
Relative Atomic Mass = 167.97988(16)#
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 169
Relative Atomic Mass = 168.976295(28)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 170
Relative Atomic Mass = 169.97497(11)#
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 171
Relative Atomic Mass = 170.971630(40)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 172
Relative Atomic Mass = 171.97046(11)#
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 173
Relative Atomic Mass = 172.967502(15)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 174
Relative Atomic Mass = 173.966861(30)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 175
Relative Atomic Mass = 174.964113(21)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 176
Relative Atomic Mass = 175.963649(22)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 177
Relative Atomic Mass = 176.961302(21)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 178
Relative Atomic Mass = 177.961082(21)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 179
Relative Atomic Mass = 178.959122(12)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 180
Relative Atomic Mass = 179.959229(23)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 181
Relative Atomic Mass = 180.957625(28)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 182
Relative Atomic Mass = 181.958076(23)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 183
Relative Atomic Mass = 182.956846(27)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 184
Relative Atomic Mass = 183.957480(30)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 185
Relative Atomic Mass = 184.956700(30)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 186
Relative Atomic Mass = 185.957946(18)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 187
Relative Atomic Mass = 186.957363(7)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 188
Relative Atomic Mass = 187.958853(8)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 189
Relative Atomic Mass = 188.958719(14)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 190
Relative Atomic Mass = 189.9605460(18)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 191
Relative Atomic Mass = 190.9605940(18)
Isotopic Composition = 0.373(2)
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 192
Relative Atomic Mass = 191.9626050(18)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 193
Relative Atomic Mass = 192.9629264(18)
Isotopic Composition = 0.627(2)
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 194
Relative Atomic Mass = 193.9650784(18)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 195
Relative Atomic Mass = 194.9659796(18)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 196
Relative Atomic Mass = 195.968400(40)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 197
Relative Atomic Mass = 196.969653(22)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 198
Relative Atomic Mass = 197.97228(21)#
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 77
Atomic Symbol = Ir
Mass Number = 199
Relative Atomic Mass = 198.973800(40)
Isotopic Composition = 
Standard Atomic Weight = 192.217(3)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 166
Relative Atomic Mass = 165.99486(54)#
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 167
Relative Atomic Mass = 166.99298(44)#
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 168
Relative Atomic Mass = 167.98815(22)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 169
Relative Atomic Mass = 168.98672(22)#
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 170
Relative Atomic Mass = 169.982495(20)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 171
Relative Atomic Mass = 170.981240(90)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 172
Relative Atomic Mass = 171.977347(14)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 173
Relative Atomic Mass = 172.976440(60)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 174
Relative Atomic Mass = 173.972819(13)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 175
Relative Atomic Mass = 174.972421(20)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 176
Relative Atomic Mass = 175.968945(15)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 177
Relative Atomic Mass = 176.968469(16)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 178
Relative Atomic Mass = 177.965649(12)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 179
Relative Atomic Mass = 178.965363(10)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 180
Relative Atomic Mass = 179.963031(12)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 181
Relative Atomic Mass = 180.963097(16)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 182
Relative Atomic Mass = 181.961171(17)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 183
Relative Atomic Mass = 182.961597(17)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 184
Relative Atomic Mass = 183.959922(19)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 185
Relative Atomic Mass = 184.960620(40)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 186
Relative Atomic Mass = 185.959351(23)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 187
Relative Atomic Mass = 186.960590(30)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 188
Relative Atomic Mass = 187.959395(6)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 189
Relative Atomic Mass = 188.960834(12)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 190
Relative Atomic Mass = 189.959932(6)
Isotopic Composition = 0.00014(1)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 191
Relative Atomic Mass = 190.961677(5)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 192
Relative Atomic Mass = 191.9610380(27)
Isotopic Composition = 0.00782(7)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 193
Relative Atomic Mass = 192.9629874(18)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 194
Relative Atomic Mass = 193.9626803(9)
Isotopic Composition = 0.32967(99)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 195
Relative Atomic Mass = 194.9647911(9)
Isotopic Composition = 0.33832(10)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 196
Relative Atomic Mass = 195.9649515(9)
Isotopic Composition = 0.25242(41)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 197
Relative Atomic Mass = 196.9673402(9)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 198
Relative Atomic Mass = 197.967893(3)
Isotopic Composition = 0.07163(55)
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 199
Relative Atomic Mass = 198.970593(3)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 200
Relative Atomic Mass = 199.971441(22)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 201
Relative Atomic Mass = 200.974510(50)
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 78
Atomic Symbol = Pt
Mass Number = 202
Relative Atomic Mass = 201.97574(32)#
Isotopic Composition = 
Standard Atomic Weight = 195.084(9)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 169
Relative Atomic Mass = 168.99808(32)#
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 170
Relative Atomic Mass = 169.99612(22)#
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 171
Relative Atomic Mass = 170.991879(28)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 172
Relative Atomic Mass = 171.99004(17)#
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 173
Relative Atomic Mass = 172.986237(28)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 174
Relative Atomic Mass = 173.98476(11)#
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 175
Relative Atomic Mass = 174.981270(50)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 176
Relative Atomic Mass = 175.98010(11)#
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 177
Relative Atomic Mass = 176.976865(14)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 178
Relative Atomic Mass = 177.976030(60)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 179
Relative Atomic Mass = 178.973213(18)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 180
Relative Atomic Mass = 179.972521(23)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 181
Relative Atomic Mass = 180.970079(21)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 182
Relative Atomic Mass = 181.969618(22)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 183
Relative Atomic Mass = 182.967593(11)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 184
Relative Atomic Mass = 183.967452(24)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 185
Relative Atomic Mass = 184.965789(28)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 186
Relative Atomic Mass = 185.965953(23)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 187
Relative Atomic Mass = 186.964568(27)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 188
Relative Atomic Mass = 187.965324(22)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 189
Relative Atomic Mass = 188.963948(22)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 190
Relative Atomic Mass = 189.964700(17)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 191
Relative Atomic Mass = 190.963700(40)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 192
Relative Atomic Mass = 191.964813(17)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 193
Relative Atomic Mass = 192.964150(11)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 194
Relative Atomic Mass = 193.965365(11)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 195
Relative Atomic Mass = 194.9650346(14)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 196
Relative Atomic Mass = 195.966570(3)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 197
Relative Atomic Mass = 196.9665687(6)
Isotopic Composition = 1.0000
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 198
Relative Atomic Mass = 197.9682423(6)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 199
Relative Atomic Mass = 198.9687652(6)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 200
Relative Atomic Mass = 199.970730(50)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 201
Relative Atomic Mass = 200.971657(3)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 202
Relative Atomic Mass = 201.97381(18)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 203
Relative Atomic Mass = 202.975155(3)
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 204
Relative Atomic Mass = 203.97772(22)#
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 79
Atomic Symbol = Au
Mass Number = 205
Relative Atomic Mass = 204.97987(32)#
Isotopic Composition = 
Standard Atomic Weight = 196.966569(4)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 171
Relative Atomic Mass = 171.00376(32)#
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 172
Relative Atomic Mass = 171.99883(22)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 173
Relative Atomic Mass = 172.99724(22)#
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 174
Relative Atomic Mass = 173.992864(21)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 175
Relative Atomic Mass = 174.99142(11)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 176
Relative Atomic Mass = 175.987355(15)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 177
Relative Atomic Mass = 176.986280(80)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 178
Relative Atomic Mass = 177.982483(14)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 179
Relative Atomic Mass = 178.981834(29)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 180
Relative Atomic Mass = 179.978266(15)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 181
Relative Atomic Mass = 180.977819(17)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 182
Relative Atomic Mass = 181.974690(10)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 183
Relative Atomic Mass = 182.974450(9)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 184
Relative Atomic Mass = 183.971713(11)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 185
Relative Atomic Mass = 184.971899(17)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 186
Relative Atomic Mass = 185.969362(12)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 187
Relative Atomic Mass = 186.969814(15)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 188
Relative Atomic Mass = 187.967577(12)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 189
Relative Atomic Mass = 188.968190(40)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 190
Relative Atomic Mass = 189.966322(17)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 191
Relative Atomic Mass = 190.967157(24)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 192
Relative Atomic Mass = 191.965634(17)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 193
Relative Atomic Mass = 192.966665(17)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 194
Relative Atomic Mass = 193.965439(13)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 195
Relative Atomic Mass = 194.966720(25)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 196
Relative Atomic Mass = 195.965833(3)
Isotopic Composition = 0.0015(1)
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 197
Relative Atomic Mass = 196.967213(3)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 198
Relative Atomic Mass = 197.9667690(4)
Isotopic Composition = 0.0997(20)
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 199
Relative Atomic Mass = 198.9682799(4)
Isotopic Composition = 0.1687(22)
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 200
Relative Atomic Mass = 199.9683260(4)
Isotopic Composition = 0.2310(19)
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 201
Relative Atomic Mass = 200.9703023(6)
Isotopic Composition = 0.1318(9)
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 202
Relative Atomic Mass = 201.9706430(6)
Isotopic Composition = 0.2986(26)
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 203
Relative Atomic Mass = 202.9728725(18)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 204
Relative Atomic Mass = 203.9734939(4)
Isotopic Composition = 0.0687(15)
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 205
Relative Atomic Mass = 204.976073(4)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 206
Relative Atomic Mass = 205.977514(22)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 207
Relative Atomic Mass = 206.98259(16)
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 208
Relative Atomic Mass = 207.98594(32)#
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 209
Relative Atomic Mass = 208.99104(21)#
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 80
Atomic Symbol = Hg
Mass Number = 210
Relative Atomic Mass = 209.99451(32)#
Isotopic Composition = 
Standard Atomic Weight = 200.59(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 176
Relative Atomic Mass = 176.00059(21)#
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 177
Relative Atomic Mass = 176.996427(27)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 178
Relative Atomic Mass = 177.99490(12)#
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 179
Relative Atomic Mass = 178.991090(50)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 180
Relative Atomic Mass = 179.98991(13)#
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 181
Relative Atomic Mass = 180.986257(10)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 182
Relative Atomic Mass = 181.985670(80)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 183
Relative Atomic Mass = 182.982193(10)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 184
Relative Atomic Mass = 183.981870(50)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 185
Relative Atomic Mass = 184.978790(60)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 186
Relative Atomic Mass = 185.97833(20)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 187
Relative Atomic Mass = 186.975906(9)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 188
Relative Atomic Mass = 187.976010(40)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 189
Relative Atomic Mass = 188.973588(12)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 190
Relative Atomic Mass = 189.973880(50)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 191
Relative Atomic Mass = 190.971786(8)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 192
Relative Atomic Mass = 191.972230(30)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 193
Relative Atomic Mass = 192.97067(12)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 194
Relative Atomic Mass = 193.97120(15)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 195
Relative Atomic Mass = 194.969774(15)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 196
Relative Atomic Mass = 195.970481(13)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 197
Relative Atomic Mass = 196.969575(18)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 198
Relative Atomic Mass = 197.970480(90)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 199
Relative Atomic Mass = 198.969880(30)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 200
Relative Atomic Mass = 199.970963(6)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 201
Relative Atomic Mass = 200.970819(16)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 202
Relative Atomic Mass = 201.972106(16)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 203
Relative Atomic Mass = 202.9723442(14)
Isotopic Composition = 0.2952(1)
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 204
Relative Atomic Mass = 203.9738635(13)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 205
Relative Atomic Mass = 204.9744275(14)
Isotopic Composition = 0.7048(1)
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 206
Relative Atomic Mass = 205.9761103(15)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 207
Relative Atomic Mass = 206.977419(6)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 208
Relative Atomic Mass = 207.9820187(21)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 209
Relative Atomic Mass = 208.985359(8)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 210
Relative Atomic Mass = 209.990074(12)
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 211
Relative Atomic Mass = 210.99348(22)#
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 81
Atomic Symbol = Tl
Mass Number = 212
Relative Atomic Mass = 211.99823(32)#
Isotopic Composition = 
Standard Atomic Weight = 204.3833(2)
Notes =  

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 178
Relative Atomic Mass = 178.003830(26)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 179
Relative Atomic Mass = 179.00215(21)#
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 180
Relative Atomic Mass = 179.997918(22)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 181
Relative Atomic Mass = 180.99662(10)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 182
Relative Atomic Mass = 181.992672(15)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 183
Relative Atomic Mass = 182.991870(30)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 184
Relative Atomic Mass = 183.988142(15)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 185
Relative Atomic Mass = 184.987610(17)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 186
Relative Atomic Mass = 185.984239(12)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 187
Relative Atomic Mass = 186.983918(9)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 188
Relative Atomic Mass = 187.980874(11)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 189
Relative Atomic Mass = 188.980810(40)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 190
Relative Atomic Mass = 189.978082(13)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 191
Relative Atomic Mass = 190.978270(40)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 192
Relative Atomic Mass = 191.975785(14)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 193
Relative Atomic Mass = 192.976170(50)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 194
Relative Atomic Mass = 193.974012(19)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 195
Relative Atomic Mass = 194.974542(25)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 196
Relative Atomic Mass = 195.972774(15)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 197
Relative Atomic Mass = 196.973431(6)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 198
Relative Atomic Mass = 197.972034(16)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 199
Relative Atomic Mass = 198.972917(28)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 200
Relative Atomic Mass = 199.971827(12)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 201
Relative Atomic Mass = 200.972885(24)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 202
Relative Atomic Mass = 201.972159(9)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 203
Relative Atomic Mass = 202.973391(7)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 204
Relative Atomic Mass = 203.9730436(13)
Isotopic Composition = 0.014(1)
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 205
Relative Atomic Mass = 204.9744818(13)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 206
Relative Atomic Mass = 205.9744653(13)
Isotopic Composition = 0.241(1)
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 207
Relative Atomic Mass = 206.9758969(13)
Isotopic Composition = 0.221(1)
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 208
Relative Atomic Mass = 207.9766521(13)
Isotopic Composition = 0.524(1)
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 209
Relative Atomic Mass = 208.9810901(19)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 210
Relative Atomic Mass = 209.9841885(16)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 211
Relative Atomic Mass = 210.9887370(29)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 212
Relative Atomic Mass = 211.9918975(24)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 213
Relative Atomic Mass = 212.996581(8)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 214
Relative Atomic Mass = 213.9998054(26)
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 82
Atomic Symbol = Pb
Mass Number = 215
Relative Atomic Mass = 215.00481(44)#
Isotopic Composition = 
Standard Atomic Weight = 207.2(1)
Notes = g,r,f

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 184
Relative Atomic Mass = 184.00112(14)#
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 185
Relative Atomic Mass = 184.997630(60)#
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 186
Relative Atomic Mass = 185.996600(80)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 187
Relative Atomic Mass = 186.993158(16)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 188
Relative Atomic Mass = 187.992270(50)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 189
Relative Atomic Mass = 188.989200(60)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 190
Relative Atomic Mass = 189.98830(20)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 191
Relative Atomic Mass = 190.985786(8)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 192
Relative Atomic Mass = 191.985460(40)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 193
Relative Atomic Mass = 192.982960(10)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 194
Relative Atomic Mass = 193.982830(50)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 195
Relative Atomic Mass = 194.980651(6)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 196
Relative Atomic Mass = 195.980667(26)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 197
Relative Atomic Mass = 196.978864(9)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 198
Relative Atomic Mass = 197.979210(30)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 199
Relative Atomic Mass = 198.977672(13)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 200
Relative Atomic Mass = 199.978132(26)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 201
Relative Atomic Mass = 200.977009(16)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 202
Relative Atomic Mass = 201.977742(22)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 203
Relative Atomic Mass = 202.976876(23)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 204
Relative Atomic Mass = 203.977813(28)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 205
Relative Atomic Mass = 204.977389(8)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 206
Relative Atomic Mass = 205.978499(8)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 207
Relative Atomic Mass = 206.9784707(26)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 208
Relative Atomic Mass = 207.9797422(25)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 209
Relative Atomic Mass = 208.9803987(16)
Isotopic Composition = 1.0000
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 210
Relative Atomic Mass = 209.9841204(16)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 211
Relative Atomic Mass = 210.987269(6)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 212
Relative Atomic Mass = 211.9912857(21)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 213
Relative Atomic Mass = 212.994385(5)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 214
Relative Atomic Mass = 213.998712(12)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 215
Relative Atomic Mass = 215.001770(16)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 216
Relative Atomic Mass = 216.006306(12)
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 217
Relative Atomic Mass = 217.00947(21)#
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 83
Atomic Symbol = Bi
Mass Number = 218
Relative Atomic Mass = 218.01432(39)#
Isotopic Composition = 
Standard Atomic Weight = 208.98040(1)
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 188
Relative Atomic Mass = 187.999422(21)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 189
Relative Atomic Mass = 188.998481(24)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 190
Relative Atomic Mass = 189.995101(14)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 191
Relative Atomic Mass = 190.994574(12)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 192
Relative Atomic Mass = 191.991335(13)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 193
Relative Atomic Mass = 192.991030(40)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 194
Relative Atomic Mass = 193.988186(13)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 195
Relative Atomic Mass = 194.988110(40)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 196
Relative Atomic Mass = 195.985535(14)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 197
Relative Atomic Mass = 196.985660(50)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 198
Relative Atomic Mass = 197.983389(19)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 199
Relative Atomic Mass = 198.983666(25)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 200
Relative Atomic Mass = 199.981799(15)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 201
Relative Atomic Mass = 200.982260(6)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 202
Relative Atomic Mass = 201.980758(16)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 203
Relative Atomic Mass = 202.981420(28)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 204
Relative Atomic Mass = 203.980318(12)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 205
Relative Atomic Mass = 204.981203(21)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 206
Relative Atomic Mass = 205.980481(9)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 207
Relative Atomic Mass = 206.981593(7)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 208
Relative Atomic Mass = 207.9812457(19)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 209
Relative Atomic Mass = 208.9824304(20)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 210
Relative Atomic Mass = 209.9828737(13)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 211
Relative Atomic Mass = 210.9866532(14)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 212
Relative Atomic Mass = 211.9888680(13)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 213
Relative Atomic Mass = 212.992857(3)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 214
Relative Atomic Mass = 213.9952014(16)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 215
Relative Atomic Mass = 214.9994200(27)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 216
Relative Atomic Mass = 216.0019150(24)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 217
Relative Atomic Mass = 217.006335(7)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 218
Relative Atomic Mass = 218.0089730(26)
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 219
Relative Atomic Mass = 219.01374(39)#
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 84
Atomic Symbol = Po
Mass Number = 220
Relative Atomic Mass = 220.01660(39)#
Isotopic Composition = 
Standard Atomic Weight = [209]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 193
Relative Atomic Mass = 192.999840(60)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 194
Relative Atomic Mass = 193.99873(20)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 195
Relative Atomic Mass = 194.996268(10)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 196
Relative Atomic Mass = 195.995790(60)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 197
Relative Atomic Mass = 196.993190(50)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 198
Relative Atomic Mass = 197.992840(50)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 199
Relative Atomic Mass = 198.990530(50)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 200
Relative Atomic Mass = 199.990351(26)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 201
Relative Atomic Mass = 200.988417(9)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 202
Relative Atomic Mass = 201.988630(30)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 203
Relative Atomic Mass = 202.986942(13)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 204
Relative Atomic Mass = 203.987251(26)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 205
Relative Atomic Mass = 204.986074(16)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 206
Relative Atomic Mass = 205.986667(22)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 207
Relative Atomic Mass = 206.985784(23)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 208
Relative Atomic Mass = 207.986590(28)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 209
Relative Atomic Mass = 208.986173(8)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 210
Relative Atomic Mass = 209.987148(8)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 211
Relative Atomic Mass = 210.9874963(30)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 212
Relative Atomic Mass = 211.990745(8)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 213
Relative Atomic Mass = 212.992937(5)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 214
Relative Atomic Mass = 213.996372(5)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 215
Relative Atomic Mass = 214.998653(7)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 216
Relative Atomic Mass = 216.002423(4)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 217
Relative Atomic Mass = 217.004719(5)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 218
Relative Atomic Mass = 218.008694(12)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 219
Relative Atomic Mass = 219.011162(4)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 220
Relative Atomic Mass = 220.015410(60)
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 221
Relative Atomic Mass = 221.01805(21)#
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 222
Relative Atomic Mass = 222.02233(32)#
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 85
Atomic Symbol = At
Mass Number = 223
Relative Atomic Mass = 223.02519(43)#
Isotopic Composition = 
Standard Atomic Weight = [210]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 195
Relative Atomic Mass = 195.005440(50)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 196
Relative Atomic Mass = 196.002115(16)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 197
Relative Atomic Mass = 197.001580(70)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 198
Relative Atomic Mass = 197.998679(14)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 199
Relative Atomic Mass = 198.998370(70)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 200
Relative Atomic Mass = 199.995699(14)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 201
Relative Atomic Mass = 200.995630(80)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 202
Relative Atomic Mass = 201.993263(19)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 203
Relative Atomic Mass = 202.993387(25)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 204
Relative Atomic Mass = 203.991429(16)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 205
Relative Atomic Mass = 204.991720(50)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 206
Relative Atomic Mass = 205.990214(16)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 207
Relative Atomic Mass = 206.990734(28)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 208
Relative Atomic Mass = 207.989642(12)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 209
Relative Atomic Mass = 208.990415(21)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 210
Relative Atomic Mass = 209.989696(9)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 211
Relative Atomic Mass = 210.990601(7)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 212
Relative Atomic Mass = 211.990704(3)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 213
Relative Atomic Mass = 212.993883(6)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 214
Relative Atomic Mass = 213.995363(10)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 215
Relative Atomic Mass = 214.998745(8)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 216
Relative Atomic Mass = 216.000274(8)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 217
Relative Atomic Mass = 217.003928(5)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 218
Relative Atomic Mass = 218.0056013(25)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 219
Relative Atomic Mass = 219.0094802(27)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 220
Relative Atomic Mass = 220.0113940(24)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 221
Relative Atomic Mass = 221.015537(6)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 222
Relative Atomic Mass = 222.0175777(25)
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 223
Relative Atomic Mass = 223.02179(32)#
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 224
Relative Atomic Mass = 224.02409(32)#
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 225
Relative Atomic Mass = 225.02844(32)#
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 226
Relative Atomic Mass = 226.03089(43)#
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 227
Relative Atomic Mass = 227.03541(45)#
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 86
Atomic Symbol = Rn
Mass Number = 228
Relative Atomic Mass = 228.03799(44)#
Isotopic Composition = 
Standard Atomic Weight = [222]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 199
Relative Atomic Mass = 199.007260(40)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 200
Relative Atomic Mass = 200.006570(80)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 201
Relative Atomic Mass = 201.003860(80)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 202
Relative Atomic Mass = 202.003370(50)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 203
Relative Atomic Mass = 203.000925(17)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 204
Relative Atomic Mass = 204.000653(26)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 205
Relative Atomic Mass = 204.998594(8)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 206
Relative Atomic Mass = 205.998670(30)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 207
Relative Atomic Mass = 206.996950(50)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 208
Relative Atomic Mass = 207.997140(50)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 209
Relative Atomic Mass = 208.995954(16)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 210
Relative Atomic Mass = 209.996408(24)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 211
Relative Atomic Mass = 210.995537(23)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 212
Relative Atomic Mass = 211.996202(28)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 213
Relative Atomic Mass = 212.996189(8)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 214
Relative Atomic Mass = 213.998971(9)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 215
Relative Atomic Mass = 215.000341(8)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 216
Relative Atomic Mass = 216.003198(15)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 217
Relative Atomic Mass = 217.004632(7)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 218
Relative Atomic Mass = 218.007578(5)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 219
Relative Atomic Mass = 219.009252(8)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 220
Relative Atomic Mass = 220.012327(4)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 221
Relative Atomic Mass = 221.014255(5)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 222
Relative Atomic Mass = 222.017552(23)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 223
Relative Atomic Mass = 223.0197359(26)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 224
Relative Atomic Mass = 224.023250(50)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 225
Relative Atomic Mass = 225.025570(30)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 226
Relative Atomic Mass = 226.02939(11)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 227
Relative Atomic Mass = 227.03184(11)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 228
Relative Atomic Mass = 228.03573(22)#
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 229
Relative Atomic Mass = 229.038450(40)
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 230
Relative Atomic Mass = 230.04251(48)#
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 231
Relative Atomic Mass = 231.04544(50)#
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 87
Atomic Symbol = Fr
Mass Number = 232
Relative Atomic Mass = 232.04977(69)#
Isotopic Composition = 
Standard Atomic Weight = [223]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 202
Relative Atomic Mass = 202.009890(70)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 203
Relative Atomic Mass = 203.009270(90)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 204
Relative Atomic Mass = 204.006500(17)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 205
Relative Atomic Mass = 205.006270(90)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 206
Relative Atomic Mass = 206.003827(19)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 207
Relative Atomic Mass = 207.003800(60)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 208
Relative Atomic Mass = 208.001840(17)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 209
Relative Atomic Mass = 209.001990(50)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 210
Relative Atomic Mass = 210.000495(16)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 211
Relative Atomic Mass = 211.000898(28)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 212
Relative Atomic Mass = 211.999794(12)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 213
Relative Atomic Mass = 213.000384(22)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 214
Relative Atomic Mass = 214.000108(10)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 215
Relative Atomic Mass = 215.002720(8)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 216
Relative Atomic Mass = 216.003533(9)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 217
Relative Atomic Mass = 217.006320(9)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 218
Relative Atomic Mass = 218.007140(12)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 219
Relative Atomic Mass = 219.010085(9)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 220
Relative Atomic Mass = 220.011028(10)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 221
Relative Atomic Mass = 221.013917(5)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 222
Relative Atomic Mass = 222.015375(5)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 223
Relative Atomic Mass = 223.0185022(27)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 224
Relative Atomic Mass = 224.0202118(24)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 225
Relative Atomic Mass = 225.023612(3)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 226
Relative Atomic Mass = 226.0254098(25)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 227
Relative Atomic Mass = 227.0291778(25)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 228
Relative Atomic Mass = 228.0310703(26)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 229
Relative Atomic Mass = 229.034958(20)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 230
Relative Atomic Mass = 230.037056(13)
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 231
Relative Atomic Mass = 231.04122(32)#
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 232
Relative Atomic Mass = 232.04364(30)#
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 233
Relative Atomic Mass = 233.04806(50)#
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 88
Atomic Symbol = Ra
Mass Number = 234
Relative Atomic Mass = 234.05070(53)#
Isotopic Composition = 
Standard Atomic Weight = [226]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 206
Relative Atomic Mass = 206.014500(80)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 207
Relative Atomic Mass = 207.011950(60)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 208
Relative Atomic Mass = 208.011550(60)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 209
Relative Atomic Mass = 209.009490(50)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 210
Relative Atomic Mass = 210.009440(60)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 211
Relative Atomic Mass = 211.007730(80)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 212
Relative Atomic Mass = 212.007810(70)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 213
Relative Atomic Mass = 213.006610(60)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 214
Relative Atomic Mass = 214.006902(24)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 215
Relative Atomic Mass = 215.006454(23)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 216
Relative Atomic Mass = 216.008720(29)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 217
Relative Atomic Mass = 217.009347(14)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 218
Relative Atomic Mass = 218.011640(50)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 219
Relative Atomic Mass = 219.012420(50)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 220
Relative Atomic Mass = 220.014763(16)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 221
Relative Atomic Mass = 221.015590(50)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 222
Relative Atomic Mass = 222.017844(6)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 223
Relative Atomic Mass = 223.019137(8)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 224
Relative Atomic Mass = 224.021723(4)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 225
Relative Atomic Mass = 225.023230(5)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 226
Relative Atomic Mass = 226.026098(4)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 227
Relative Atomic Mass = 227.0277521(26)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 228
Relative Atomic Mass = 228.0310211(27)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 229
Relative Atomic Mass = 229.033020(40)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 230
Relative Atomic Mass = 230.03629(32)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 231
Relative Atomic Mass = 231.03856(11)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 232
Relative Atomic Mass = 232.04203(11)
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 233
Relative Atomic Mass = 233.04455(32)#
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 234
Relative Atomic Mass = 234.04842(43)#
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 235
Relative Atomic Mass = 235.05123(38)#
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 89
Atomic Symbol = Ac
Mass Number = 236
Relative Atomic Mass = 236.05530(54)#
Isotopic Composition = 
Standard Atomic Weight = [227]
Notes =  

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 209
Relative Atomic Mass = 209.01772(11)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 210
Relative Atomic Mass = 210.015075(27)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 211
Relative Atomic Mass = 211.014930(80)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 212
Relative Atomic Mass = 212.012980(20)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 213
Relative Atomic Mass = 213.013010(80)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 214
Relative Atomic Mass = 214.011500(18)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 215
Relative Atomic Mass = 215.011730(29)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 216
Relative Atomic Mass = 216.011062(14)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 217
Relative Atomic Mass = 217.013114(22)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 218
Relative Atomic Mass = 218.013284(14)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 219
Relative Atomic Mass = 219.015540(50)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 220
Relative Atomic Mass = 220.015748(24)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 221
Relative Atomic Mass = 221.018184(10)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 222
Relative Atomic Mass = 222.018468(13)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 223
Relative Atomic Mass = 223.020811(10)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 224
Relative Atomic Mass = 224.021467(12)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 225
Relative Atomic Mass = 225.023951(5)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 226
Relative Atomic Mass = 226.024903(5)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 227
Relative Atomic Mass = 227.0277041(27)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 228
Relative Atomic Mass = 228.0287411(24)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 229
Relative Atomic Mass = 229.031762(3)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 230
Relative Atomic Mass = 230.0331338(19)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 231
Relative Atomic Mass = 231.0363043(19)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 232
Relative Atomic Mass = 232.0380553(21)
Isotopic Composition = 1.0000
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 233
Relative Atomic Mass = 233.0415818(21)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 234
Relative Atomic Mass = 234.043601(4)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 235
Relative Atomic Mass = 235.047510(50)
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 236
Relative Atomic Mass = 236.04987(21)#
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 237
Relative Atomic Mass = 237.05389(39)#
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 90
Atomic Symbol = Th
Mass Number = 238
Relative Atomic Mass = 238.05650(30)#
Isotopic Composition = 
Standard Atomic Weight = 232.03806(2)
Notes = g

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 212
Relative Atomic Mass = 212.023200(80)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 213
Relative Atomic Mass = 213.021110(80)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 214
Relative Atomic Mass = 214.020920(80)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 215
Relative Atomic Mass = 215.019190(90)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 216
Relative Atomic Mass = 216.019110(80)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 217
Relative Atomic Mass = 217.018320(60)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 218
Relative Atomic Mass = 218.020042(26)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 219
Relative Atomic Mass = 219.019880(60)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 220
Relative Atomic Mass = 220.021880(60)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 221
Relative Atomic Mass = 221.021880(60)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 222
Relative Atomic Mass = 222.023740(80)#
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 223
Relative Atomic Mass = 223.023960(80)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 224
Relative Atomic Mass = 224.025626(17)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 225
Relative Atomic Mass = 225.026130(80)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 226
Relative Atomic Mass = 226.027948(12)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 227
Relative Atomic Mass = 227.028805(8)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 228
Relative Atomic Mass = 228.031051(5)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 229
Relative Atomic Mass = 229.0320968(30)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 230
Relative Atomic Mass = 230.034541(4)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 231
Relative Atomic Mass = 231.0358840(24)
Isotopic Composition = 1.0000
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 232
Relative Atomic Mass = 232.038592(8)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 233
Relative Atomic Mass = 233.0402473(23)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 234
Relative Atomic Mass = 234.043308(5)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 235
Relative Atomic Mass = 235.045440(50)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 236
Relative Atomic Mass = 236.04868(21)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 237
Relative Atomic Mass = 237.05115(11)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 238
Relative Atomic Mass = 238.054500(60)
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 239
Relative Atomic Mass = 239.05726(21)#
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 91
Atomic Symbol = Pa
Mass Number = 240
Relative Atomic Mass = 240.06098(32)#
Isotopic Composition = 
Standard Atomic Weight = 231.03588(2)
Notes =  

Atomic Number = 92
Atomic Symbol = U
Mass Number = 217
Relative Atomic Mass = 217.024370(90)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 218
Relative Atomic Mass = 218.023540(30)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 219
Relative Atomic Mass = 219.024920(60)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 220
Relative Atomic Mass = 220.02472(22)#
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 221
Relative Atomic Mass = 221.02640(11)#
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 222
Relative Atomic Mass = 222.02609(11)#
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 223
Relative Atomic Mass = 223.027740(80)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 224
Relative Atomic Mass = 224.027605(27)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 225
Relative Atomic Mass = 225.029391(12)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 226
Relative Atomic Mass = 226.029339(14)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 227
Relative Atomic Mass = 227.031156(18)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 228
Relative Atomic Mass = 228.031374(16)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 229
Relative Atomic Mass = 229.033506(6)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 230
Relative Atomic Mass = 230.033940(5)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 231
Relative Atomic Mass = 231.036294(3)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 232
Relative Atomic Mass = 232.0371562(24)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 233
Relative Atomic Mass = 233.0396352(29)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 234
Relative Atomic Mass = 234.0409521(20)
Isotopic Composition = 0.000054(5)
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 235
Relative Atomic Mass = 235.0439299(20)
Isotopic Composition = 0.007204(6)
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 236
Relative Atomic Mass = 236.0455680(20)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 237
Relative Atomic Mass = 237.0487302(20)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 238
Relative Atomic Mass = 238.0507882(20)
Isotopic Composition = 0.992742(10)
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 239
Relative Atomic Mass = 239.0542933(21)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 240
Relative Atomic Mass = 240.056592(6)
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 241
Relative Atomic Mass = 241.06033(32)#
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 92
Atomic Symbol = U
Mass Number = 242
Relative Atomic Mass = 242.06293(22)#
Isotopic Composition = 
Standard Atomic Weight = 238.02891(3)
Notes = g,m,c

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 225
Relative Atomic Mass = 225.033910(80)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 226
Relative Atomic Mass = 226.03515(10)#
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 227
Relative Atomic Mass = 227.034960(80)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 228
Relative Atomic Mass = 228.03618(21)#
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 229
Relative Atomic Mass = 229.036260(90)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 230
Relative Atomic Mass = 230.037830(60)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 231
Relative Atomic Mass = 231.038250(50)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 232
Relative Atomic Mass = 232.04011(11)#
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 233
Relative Atomic Mass = 233.040740(50)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 234
Relative Atomic Mass = 234.042895(9)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 235
Relative Atomic Mass = 235.0440633(21)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 236
Relative Atomic Mass = 236.046570(50)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 237
Relative Atomic Mass = 237.0481734(20)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 238
Relative Atomic Mass = 238.0509464(20)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 239
Relative Atomic Mass = 239.0529390(22)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 240
Relative Atomic Mass = 240.056162(16)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 241
Relative Atomic Mass = 241.058250(80)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 242
Relative Atomic Mass = 242.06164(21)
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 243
Relative Atomic Mass = 243.064280(30)#
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 93
Atomic Symbol = Np
Mass Number = 244
Relative Atomic Mass = 244.06785(32)#
Isotopic Composition = 
Standard Atomic Weight = [237]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 228
Relative Atomic Mass = 228.038740(30)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 229
Relative Atomic Mass = 229.040150(60)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 230
Relative Atomic Mass = 230.039650(16)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 231
Relative Atomic Mass = 231.041101(28)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 232
Relative Atomic Mass = 232.041187(19)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 233
Relative Atomic Mass = 233.043000(50)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 234
Relative Atomic Mass = 234.043317(7)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 235
Relative Atomic Mass = 235.045286(22)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 236
Relative Atomic Mass = 236.0460580(24)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 237
Relative Atomic Mass = 237.0484097(24)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 238
Relative Atomic Mass = 238.0495599(20)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 239
Relative Atomic Mass = 239.0521634(20)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 240
Relative Atomic Mass = 240.0538135(20)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 241
Relative Atomic Mass = 241.0568515(20)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 242
Relative Atomic Mass = 242.0587426(20)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 243
Relative Atomic Mass = 243.062003(3)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 244
Relative Atomic Mass = 244.064204(5)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 245
Relative Atomic Mass = 245.067747(15)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 246
Relative Atomic Mass = 246.070205(16)
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 94
Atomic Symbol = Pu
Mass Number = 247
Relative Atomic Mass = 247.07407(32)#
Isotopic Composition = 
Standard Atomic Weight = [244]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 231
Relative Atomic Mass = 231.04556(32)#
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 232
Relative Atomic Mass = 232.04659(32)#
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 233
Relative Atomic Mass = 233.04635(11)#
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 234
Relative Atomic Mass = 234.04781(22)#
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 235
Relative Atomic Mass = 235.04795(13)#
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 236
Relative Atomic Mass = 236.04958(11)#
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 237
Relative Atomic Mass = 237.050000(60)#
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 238
Relative Atomic Mass = 238.051980(50)
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 239
Relative Atomic Mass = 239.0530245(26)
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 240
Relative Atomic Mass = 240.055300(15)
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 241
Relative Atomic Mass = 241.0568291(20)
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 242
Relative Atomic Mass = 242.0595492(20)
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 243
Relative Atomic Mass = 243.0613811(25)
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 244
Relative Atomic Mass = 244.0642848(22)
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 245
Relative Atomic Mass = 245.066452(4)
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 246
Relative Atomic Mass = 246.069775(20)
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 247
Relative Atomic Mass = 247.07209(11)#
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 248
Relative Atomic Mass = 248.07575(22)#
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 95
Atomic Symbol = Am
Mass Number = 249
Relative Atomic Mass = 249.07848(32)#
Isotopic Composition = 
Standard Atomic Weight = [243]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 233
Relative Atomic Mass = 233.050770(80)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 234
Relative Atomic Mass = 234.050160(20)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 235
Relative Atomic Mass = 235.05143(22)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 236
Relative Atomic Mass = 236.05141(22)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 237
Relative Atomic Mass = 237.05290(22)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 238
Relative Atomic Mass = 238.053030(40)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 239
Relative Atomic Mass = 239.05496(11)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 240
Relative Atomic Mass = 240.0555295(25)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 241
Relative Atomic Mass = 241.0576530(23)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 242
Relative Atomic Mass = 242.0588358(20)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 243
Relative Atomic Mass = 243.0613891(22)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 244
Relative Atomic Mass = 244.0627526(20)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 245
Relative Atomic Mass = 245.0654912(22)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 246
Relative Atomic Mass = 246.0672237(22)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 247
Relative Atomic Mass = 247.070354(5)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 248
Relative Atomic Mass = 248.072349(5)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 249
Relative Atomic Mass = 249.075953(5)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 250
Relative Atomic Mass = 250.078357(12)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 251
Relative Atomic Mass = 251.082285(24)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 96
Atomic Symbol = Cm
Mass Number = 252
Relative Atomic Mass = 252.08487(32)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 235
Relative Atomic Mass = 235.05658(43)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 236
Relative Atomic Mass = 236.05733(43)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 237
Relative Atomic Mass = 237.05700(24)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 238
Relative Atomic Mass = 238.05828(31)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 239
Relative Atomic Mass = 239.05828(25)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 240
Relative Atomic Mass = 240.05976(16)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 241
Relative Atomic Mass = 241.06023(22)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 242
Relative Atomic Mass = 242.06198(22)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 243
Relative Atomic Mass = 243.063008(5)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 244
Relative Atomic Mass = 244.065181(16)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 245
Relative Atomic Mass = 245.0663616(25)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 246
Relative Atomic Mass = 246.068670(60)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 247
Relative Atomic Mass = 247.070307(6)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 248
Relative Atomic Mass = 248.073090(80)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 249
Relative Atomic Mass = 249.0749867(28)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 250
Relative Atomic Mass = 250.078317(4)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 251
Relative Atomic Mass = 251.080760(12)
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 252
Relative Atomic Mass = 252.08431(22)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 253
Relative Atomic Mass = 253.08688(39)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 97
Atomic Symbol = Bk
Mass Number = 254
Relative Atomic Mass = 254.09060(32)#
Isotopic Composition = 
Standard Atomic Weight = [247]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 237
Relative Atomic Mass = 237.06207(54)#
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 238
Relative Atomic Mass = 238.06141(43)#
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 239
Relative Atomic Mass = 239.06242(23)#
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 240
Relative Atomic Mass = 240.06230(22)#
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 241
Relative Atomic Mass = 241.06373(27)#
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 242
Relative Atomic Mass = 242.063700(40)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 243
Relative Atomic Mass = 243.06543(15)#
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 244
Relative Atomic Mass = 244.066001(3)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 245
Relative Atomic Mass = 245.068049(3)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 246
Relative Atomic Mass = 246.0688053(22)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 247
Relative Atomic Mass = 247.071001(9)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 248
Relative Atomic Mass = 248.072185(6)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 249
Relative Atomic Mass = 249.0748535(24)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 250
Relative Atomic Mass = 250.0764061(22)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 251
Relative Atomic Mass = 251.079587(5)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 252
Relative Atomic Mass = 252.081626(5)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 253
Relative Atomic Mass = 253.085133(7)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 254
Relative Atomic Mass = 254.087323(13)
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 255
Relative Atomic Mass = 255.09105(22)#
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 98
Atomic Symbol = Cf
Mass Number = 256
Relative Atomic Mass = 256.09344(32)#
Isotopic Composition = 
Standard Atomic Weight = [251]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 240
Relative Atomic Mass = 240.06892(43)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 241
Relative Atomic Mass = 241.06854(24)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 242
Relative Atomic Mass = 242.06975(35)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 243
Relative Atomic Mass = 243.06955(25)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 244
Relative Atomic Mass = 244.07088(20)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 245
Relative Atomic Mass = 245.07132(22)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 246
Relative Atomic Mass = 246.07290(24)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 247
Relative Atomic Mass = 247.073660(30)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 248
Relative Atomic Mass = 248.075470(60)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 249
Relative Atomic Mass = 249.076410(30)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 250
Relative Atomic Mass = 250.07861(11)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 251
Relative Atomic Mass = 251.079992(7)
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 252
Relative Atomic Mass = 252.082980(50)
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 253
Relative Atomic Mass = 253.0848247(28)
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 254
Relative Atomic Mass = 254.088022(5)
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 255
Relative Atomic Mass = 255.090273(12)
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 256
Relative Atomic Mass = 256.09360(11)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 257
Relative Atomic Mass = 257.09598(44)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 99
Atomic Symbol = Es
Mass Number = 258
Relative Atomic Mass = 258.09952(32)#
Isotopic Composition = 
Standard Atomic Weight = [252]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 242
Relative Atomic Mass = 242.07343(43)#
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 243
Relative Atomic Mass = 243.07435(23)#
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 244
Relative Atomic Mass = 244.07408(30)#
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 245
Relative Atomic Mass = 245.07539(30)#
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 246
Relative Atomic Mass = 246.075300(40)
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 247
Relative Atomic Mass = 247.07685(15)#
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 248
Relative Atomic Mass = 248.077195(13)
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 249
Relative Atomic Mass = 249.07903(11)#
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 250
Relative Atomic Mass = 250.079521(13)
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 251
Relative Atomic Mass = 251.081575(9)
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 252
Relative Atomic Mass = 252.082467(6)
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 253
Relative Atomic Mass = 253.085185(4)
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 254
Relative Atomic Mass = 254.0868542(30)
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 255
Relative Atomic Mass = 255.089962(5)
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 256
Relative Atomic Mass = 256.091773(8)
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 257
Relative Atomic Mass = 257.095105(7)
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 258
Relative Atomic Mass = 258.09708(22)#
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 259
Relative Atomic Mass = 259.10060(30)#
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 100
Atomic Symbol = Fm
Mass Number = 260
Relative Atomic Mass = 260.10268(54)#
Isotopic Composition = 
Standard Atomic Weight = [257]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 245
Relative Atomic Mass = 245.08083(35)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 246
Relative Atomic Mass = 246.08189(35)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 247
Relative Atomic Mass = 247.08164(35)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 248
Relative Atomic Mass = 248.08282(26)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 249
Relative Atomic Mass = 249.08301(24)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 250
Relative Atomic Mass = 250.08442(32)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 251
Relative Atomic Mass = 251.08484(22)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 252
Relative Atomic Mass = 252.08656(21)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 253
Relative Atomic Mass = 253.08728(22)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 254
Relative Atomic Mass = 254.08966(11)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 255
Relative Atomic Mass = 255.091083(7)
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 256
Relative Atomic Mass = 256.094060(60)
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 257
Relative Atomic Mass = 257.095541(3)
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 258
Relative Atomic Mass = 258.098431(5)
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 259
Relative Atomic Mass = 259.10051(22)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 260
Relative Atomic Mass = 260.10365(34)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 261
Relative Atomic Mass = 261.10572(70)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 101
Atomic Symbol = Md
Mass Number = 262
Relative Atomic Mass = 262.10887(63)#
Isotopic Composition = 
Standard Atomic Weight = [258]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 248
Relative Atomic Mass = 248.08660(32)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 249
Relative Atomic Mass = 249.08783(37)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 250
Relative Atomic Mass = 250.08751(22)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 251
Relative Atomic Mass = 251.08901(19)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 252
Relative Atomic Mass = 252.088977(14)
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 253
Relative Atomic Mass = 253.09068(11)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 254
Relative Atomic Mass = 254.090955(19)
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 255
Relative Atomic Mass = 255.093241(11)
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 256
Relative Atomic Mass = 256.094283(8)
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 257
Relative Atomic Mass = 257.096877(23)
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 258
Relative Atomic Mass = 258.09821(22)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 259
Relative Atomic Mass = 259.10103(11)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 260
Relative Atomic Mass = 260.10264(22)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 261
Relative Atomic Mass = 261.10575(32)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 262
Relative Atomic Mass = 262.10730(48)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 263
Relative Atomic Mass = 263.11055(53)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 102
Atomic Symbol = No
Mass Number = 264
Relative Atomic Mass = 264.11235(69)#
Isotopic Composition = 
Standard Atomic Weight = [259]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 251
Relative Atomic Mass = 251.09436(32)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 252
Relative Atomic Mass = 252.09537(27)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 253
Relative Atomic Mass = 253.09521(24)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 254
Relative Atomic Mass = 254.09645(36)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 255
Relative Atomic Mass = 255.09668(22)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 256
Relative Atomic Mass = 256.09863(24)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 257
Relative Atomic Mass = 257.09956(22)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 258
Relative Atomic Mass = 258.10181(11)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 259
Relative Atomic Mass = 259.102900(80)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 260
Relative Atomic Mass = 260.10550(12)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 261
Relative Atomic Mass = 261.10688(22)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 262
Relative Atomic Mass = 262.10963(22)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 263
Relative Atomic Mass = 263.11129(39)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 264
Relative Atomic Mass = 264.11404(47)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 265
Relative Atomic Mass = 265.11584(77)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 103
Atomic Symbol = Lr
Mass Number = 266
Relative Atomic Mass = 266.11931(70)#
Isotopic Composition = 
Standard Atomic Weight = [262]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 253
Relative Atomic Mass = 253.10069(49)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 254
Relative Atomic Mass = 254.10018(31)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 255
Relative Atomic Mass = 255.10134(19)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 256
Relative Atomic Mass = 256.101166(26)
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 257
Relative Atomic Mass = 257.10299(11)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 258
Relative Atomic Mass = 258.10349(22)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 259
Relative Atomic Mass = 259.105640(80)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 260
Relative Atomic Mass = 260.10644(22)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 261
Relative Atomic Mass = 261.108770(30)
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 262
Relative Atomic Mass = 262.10993(30)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 263
Relative Atomic Mass = 263.11255(20)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 264
Relative Atomic Mass = 264.11399(48)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 265
Relative Atomic Mass = 265.11670(46)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 266
Relative Atomic Mass = 266.11796(58)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 267
Relative Atomic Mass = 267.12153(62)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 104
Atomic Symbol = Rf
Mass Number = 268
Relative Atomic Mass = 268.12364(76)#
Isotopic Composition = 
Standard Atomic Weight = [265]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 255
Relative Atomic Mass = 255.10740(45)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 256
Relative Atomic Mass = 256.10813(31)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 257
Relative Atomic Mass = 257.10772(24)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 258
Relative Atomic Mass = 258.10923(37)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 259
Relative Atomic Mass = 259.10961(23)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 260
Relative Atomic Mass = 260.11130(25)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 261
Relative Atomic Mass = 261.11206(25)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 262
Relative Atomic Mass = 262.11408(20)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 263
Relative Atomic Mass = 263.11499(18)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 264
Relative Atomic Mass = 264.11740(25)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 265
Relative Atomic Mass = 265.11860(30)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 266
Relative Atomic Mass = 266.12103(39)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 267
Relative Atomic Mass = 267.12238(50)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 268
Relative Atomic Mass = 268.12545(57)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 269
Relative Atomic Mass = 269.12746(83)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 105
Atomic Symbol = Db
Mass Number = 270
Relative Atomic Mass = 270.13071(77)#
Isotopic Composition = 
Standard Atomic Weight = [268]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 258
Relative Atomic Mass = 258.11317(45)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 259
Relative Atomic Mass = 259.11450(19)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 260
Relative Atomic Mass = 260.114420(40)
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 261
Relative Atomic Mass = 261.11612(14)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 262
Relative Atomic Mass = 262.11640(30)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 263
Relative Atomic Mass = 263.11832(13)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 264
Relative Atomic Mass = 264.11893(30)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 265
Relative Atomic Mass = 265.121110(60)
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 266
Relative Atomic Mass = 266.12207(31)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 267
Relative Atomic Mass = 267.12443(29)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 268
Relative Atomic Mass = 268.12561(58)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 269
Relative Atomic Mass = 269.12876(70)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 270
Relative Atomic Mass = 270.13033(66)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 271
Relative Atomic Mass = 271.13347(70)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 272
Relative Atomic Mass = 272.13516(82)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 106
Atomic Symbol = Sg
Mass Number = 273
Relative Atomic Mass = 273.13822(71)#
Isotopic Composition = 
Standard Atomic Weight = [271]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 260
Relative Atomic Mass = 260.12197(62)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 261
Relative Atomic Mass = 261.12166(25)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 262
Relative Atomic Mass = 262.12289(37)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 263
Relative Atomic Mass = 263.12304(39)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 264
Relative Atomic Mass = 264.12460(30)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 265
Relative Atomic Mass = 265.12515(41)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 266
Relative Atomic Mass = 266.12694(22)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 267
Relative Atomic Mass = 267.12765(28)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 268
Relative Atomic Mass = 268.12976(41)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 269
Relative Atomic Mass = 269.13069(44)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 270
Relative Atomic Mass = 270.13362(50)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 271
Relative Atomic Mass = 271.13518(60)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 272
Relative Atomic Mass = 272.13803(65)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 273
Relative Atomic Mass = 273.13962(89)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 274
Relative Atomic Mass = 274.14244(84)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 107
Atomic Symbol = Bh
Mass Number = 275
Relative Atomic Mass = 275.14425(70)#
Isotopic Composition = 
Standard Atomic Weight = [272]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 263
Relative Atomic Mass = 263.12856(37)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 264
Relative Atomic Mass = 264.128390(50)
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 265
Relative Atomic Mass = 265.13009(15)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 266
Relative Atomic Mass = 266.13010(31)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 267
Relative Atomic Mass = 267.13179(11)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 268
Relative Atomic Mass = 268.13216(44)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 269
Relative Atomic Mass = 269.13406(13)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 270
Relative Atomic Mass = 270.13465(31)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 271
Relative Atomic Mass = 271.13766(36)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 272
Relative Atomic Mass = 272.13905(62)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 273
Relative Atomic Mass = 273.14199(89)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 274
Relative Atomic Mass = 274.14313(70)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 275
Relative Atomic Mass = 275.14595(77)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 276
Relative Atomic Mass = 276.14721(89)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 108
Atomic Symbol = Hs
Mass Number = 277
Relative Atomic Mass = 277.14984(78)#
Isotopic Composition = 
Standard Atomic Weight = [270]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 265
Relative Atomic Mass = 265.13615(50)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 266
Relative Atomic Mass = 266.13730(37)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 267
Relative Atomic Mass = 267.13731(58)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 268
Relative Atomic Mass = 268.13873(34)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 269
Relative Atomic Mass = 269.13906(59)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 270
Relative Atomic Mass = 270.14066(58)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 271
Relative Atomic Mass = 271.14114(61)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 272
Relative Atomic Mass = 272.14374(52)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 273
Relative Atomic Mass = 273.14491(55)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 274
Relative Atomic Mass = 274.14749(60)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 275
Relative Atomic Mass = 275.14865(64)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 276
Relative Atomic Mass = 276.15116(73)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 277
Relative Atomic Mass = 277.15242(95)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 278
Relative Atomic Mass = 278.15481(90)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 109
Atomic Symbol = Mt
Mass Number = 279
Relative Atomic Mass = 279.15619(77)#
Isotopic Composition = 
Standard Atomic Weight = [276]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 267
Relative Atomic Mass = 267.14434(39)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 268
Relative Atomic Mass = 268.14380(54)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 269
Relative Atomic Mass = 269.14512(15)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 270
Relative Atomic Mass = 270.14472(31)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 271
Relative Atomic Mass = 271.14606(11)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 272
Relative Atomic Mass = 272.14632(70)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 273
Relative Atomic Mass = 273.14886(14)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 274
Relative Atomic Mass = 274.14949(53)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 275
Relative Atomic Mass = 275.15218(48)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 276
Relative Atomic Mass = 276.15303(65)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 277
Relative Atomic Mass = 277.15565(104)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 278
Relative Atomic Mass = 278.15647(73)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 279
Relative Atomic Mass = 279.15886(80)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 280
Relative Atomic Mass = 280.15980(91)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 110
Atomic Symbol = Ds
Mass Number = 281
Relative Atomic Mass = 281.16206(78)#
Isotopic Composition = 
Standard Atomic Weight = [281]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 272
Relative Atomic Mass = 272.15362(36)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 273
Relative Atomic Mass = 273.15368(65)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 274
Relative Atomic Mass = 274.15571(66)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 275
Relative Atomic Mass = 275.15614(74)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 276
Relative Atomic Mass = 276.15849(67)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 277
Relative Atomic Mass = 277.15952(66)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 278
Relative Atomic Mass = 278.16160(68)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 279
Relative Atomic Mass = 279.16247(71)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 280
Relative Atomic Mass = 280.16447(80)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 281
Relative Atomic Mass = 281.16537(100)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 282
Relative Atomic Mass = 282.16749(95)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 111
Atomic Symbol = Rg
Mass Number = 283
Relative Atomic Mass = 283.16842(84)#
Isotopic Composition = 
Standard Atomic Weight = [280]
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 277
Relative Atomic Mass = 277.16394(14)#
Isotopic Composition = 
Standard Atomic Weight = [285]
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 278
Relative Atomic Mass = 278.16431(57)#
Isotopic Composition = 
Standard Atomic Weight = [285]
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 279
Relative Atomic Mass = 279.16655(53)#
Isotopic Composition = 
Standard Atomic Weight = [285]
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 280
Relative Atomic Mass = 280.16704(69)#
Isotopic Composition = 
Standard Atomic Weight = [285]
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 281
Relative Atomic Mass = 281.16929(106)#
Isotopic Composition = 
Standard Atomic Weight = [285]
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 282
Relative Atomic Mass = 282.16977(76)#
Isotopic Composition = 
Standard Atomic Weight = [285]
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 283
Relative Atomic Mass = 283.17179(83)#
Isotopic Composition = 
Standard Atomic Weight = [285]
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 284
Relative Atomic Mass = 284.17238(91)#
Isotopic Composition = 
Standard Atomic Weight = [285]
Notes =  

Atomic Number = 112
Atomic Symbol = Cn
Mass Number = 285
Relative Atomic Mass = 285.17411(78)#
Isotopic Composition = 
Standard Atomic Weight = [285]
Notes =  

Atomic Number = 113
Atomic Symbol = Uut
Mass Number = 283
Relative Atomic Mass = 283.17645(78)#
Isotopic Composition = 
Standard Atomic Weight = [284]
Notes =  

Atomic Number = 113
Atomic Symbol = Uut
Mass Number = 284
Relative Atomic Mass = 284.17808(86)#
Isotopic Composition = 
Standard Atomic Weight = [284]
Notes =  

Atomic Number = 113
Atomic Symbol = Uut
Mass Number = 285
Relative Atomic Mass = 285.17873(105)#
Isotopic Composition = 
Standard Atomic Weight = [284]
Notes =  

Atomic Number = 113
Atomic Symbol = Uut
Mass Number = 286
Relative Atomic Mass = 286.18048(101)#
Isotopic Composition = 
Standard Atomic Weight = [284]
Notes =  

Atomic Number = 113
Atomic Symbol = Uut
Mass Number = 287
Relative Atomic Mass = 287.18105(90)#
Isotopic Composition = 
Standard Atomic Weight = [284]
Notes =  

Atomic Number = 114
Atomic Symbol = Uuq
Mass Number = 285
Relative Atomic Mass = 285.18370(111)#
Isotopic Composition = 
Standard Atomic Weight = [289]
Notes =  

Atomic Number = 114
Atomic Symbol = Uuq
Mass Number = 286
Relative Atomic Mass = 286.18386(83)#
Isotopic Composition = 
Standard Atomic Weight = [289]
Notes =  

Atomic Number = 114
Atomic Symbol = Uuq
Mass Number = 287
Relative Atomic Mass = 287.18560(83)#
Isotopic Composition = 
Standard Atomic Weight = [289]
Notes =  

Atomic Number = 114
Atomic Symbol = Uuq
Mass Number = 288
Relative Atomic Mass = 288.18569(91)#
Isotopic Composition = 
Standard Atomic Weight = [289]
Notes =  

Atomic Number = 114
Atomic Symbol = Uuq
Mass Number = 289
Relative Atomic Mass = 289.18728(79)#
Isotopic Composition = 
Standard Atomic Weight = [289]
Notes =  

Atomic Number = 115
Atomic Symbol = Uup
Mass Number = 287
Relative Atomic Mass = 287.19119(85)#
Isotopic Composition = 
Standard Atomic Weight = [288]
Notes =  

Atomic Number = 115
Atomic Symbol = Uup
Mass Number = 288
Relative Atomic Mass = 288.19249(92)#
Isotopic Composition = 
Standard Atomic Weight = [288]
Notes =  

Atomic Number = 115
Atomic Symbol = Uup
Mass Number = 289
Relative Atomic Mass = 289.19272(110)#
Isotopic Composition = 
Standard Atomic Weight = [288]
Notes =  

Atomic Number = 115
Atomic Symbol = Uup
Mass Number = 290
Relative Atomic Mass = 290.19414(106)#
Isotopic Composition = 
Standard Atomic Weight = [288]
Notes =  

Atomic Number = 115
Atomic Symbol = Uup
Mass Number = 291
Relative Atomic Mass = 291.19438(95)#
Isotopic Composition = 
Standard Atomic Weight = [288]
Notes =  

Atomic Number = 116
Atomic Symbol = Uuh
Mass Number = 289
Relative Atomic Mass = 289.19886(117)#
Isotopic Composition = 
Standard Atomic Weight = [293]
Notes =  

Atomic Number = 116
Atomic Symbol = Uuh
Mass Number = 290
Relative Atomic Mass = 290.19859(91)#
Isotopic Composition = 
Standard Atomic Weight = [293]
Notes =  

Atomic Number = 116
Atomic Symbol = Uuh
Mass Number = 291
Relative Atomic Mass = 291.20001(91)#
Isotopic Composition = 
Standard Atomic Weight = [293]
Notes =  

Atomic Number = 116
Atomic Symbol = Uuh
Mass Number = 292
Relative Atomic Mass = 292.19979(92)#
Isotopic Composition = 
Standard Atomic Weight = [293]
Notes =  

Atomic Number = 116
Atomic Symbol = Uuh
Mass Number = 293
Relative Atomic Mass = 
Isotopic Composition = 
Standard Atomic Weight = [293]
Notes =  

Atomic Number = 117
Atomic Symbol = Uus
Mass Number = 291
Relative Atomic Mass = 291.20656(95)#
Isotopic Composition = 
Standard Atomic Weight = [292]
Notes =  

Atomic Number = 117
Atomic Symbol = Uus
Mass Number = 292
Relative Atomic Mass = 292.20755(101)#
Isotopic Composition = 
Standard Atomic Weight = [292]
Notes =  

Atomic Number = 118
Atomic Symbol = Uuo
Mass Number = 293
Relative Atomic Mass = 293.21467(129)#
Isotopic Composition = 
Standard Atomic Weight = [294]
Notes =  

Atomic Number = 118
Atomic Symbol = Uuo
Mass Number = 294
Relative Atomic Mass = 
Isotopic Composition = 
Standard Atomic Weight = [294]
Notes =