Atomic Weights and Isotopic Compositions for Bromine
 Isotope   Relative
Atomic Mass 		    Isotopic
  Composition  		 Standard
Atomic Weight 		  Notes 
 
35 Br 79   78.918 3376(14)   0.5069(7)  [79.901, 79.907]  
81   80.916 2897(14)   0.4931(7)

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