Atomic Weights and Isotopic Compositions for Mercury
 Isotope   Relative
Atomic Mass
 
   Isotopic
  Composition  
Standard
Atomic Weight
 
 Notes 
 
80 Hg 196 195.965 8326(32)   0.0015(1)  200.592(3)  
198 197.966 768 60(52)   0.0997(20)
199 198.968 280 64(46)   0.1687(22)
200 199.968 326 59(47)   0.2310(19)
201 200.970 302 84(69)   0.1318(9)
202 201.970 643 40(69)   0.2986(26)
204 203.973 493 98(53)   0.0687(15)

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