Atomic Weights and Isotopic Compositions for Nitrogen
Isotope
Relative
Atomic Mass
Isotopic
Composition
Standard
Atomic Weight
Notes
7
N
14
14.003 074 004 43(20)
0.996 36(20)
[14.006 43, 14.007 28]
15
15.000 108 898 88(64)
0.003 64(20)