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)

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