Atomic Weights and Isotopic Compositions for Technetium
 Isotope   Relative
Atomic Mass
 
   Isotopic
  Composition  
Standard
Atomic Weight
 
 Notes 
 
43 Tc 97   96.906 3667(40)     [98]  
98   97.907 2124(36)   
99   98.906 2508(10)   

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