Exact Masses of Isotopes




Element

Isotope

Mass

Isotope

Mass

Hydrogen

1H

1.007825

2H

2.014102

Carbon

12C

12.000000

13C

13.003355

Nitrogen

14N

14.003074

15N

15.000109

Oxygen

16O

15.994915

17O

16.999131

18O

17.999159

Sulfur

32S

31.972072

33S

32.971459

34S

33.967868

Chlorine

35Cl

34.968853

37Cl

36.965903

Bromine

79Br

78.918336

81Br

80.916290


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