Cuadro de texto:   -  Atomic Mass: 212.9929212 ± 0.0000060 amu -  Excess Mass: -6593.906 ± 5.575 keV -  Binding Energy: 1659285.624 ± 5.582 keV -  Beta Decay Energy: B- -882.315 ± 8.076 keV -  Spin: 9/2- -  Half life: 125 ns -  Mode of decay: Alpha to Bi-209 º  Decay energy: 9.254 MeV -  Possible parent nuclides:     Alpha from Fr-217      

   

 

 

 

 

 

 

 

 

 

 

 

 

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