Atomic Weights and Isotopic Compositions for Oxygen
Isotope
Relative
Atomic Mass
Isotopic
Composition
Standard
Atomic Weight
Notes
8
O
16
15.994 914 619 57(17)
0.997 57(16)
[15.999 03, 15.999 77]
17
16.999 131 756 50(69)
0.000 38(1)
18
17.999 159 612 86(76)
0.002 05(14)