Cuadro de texto:   -  Atomic Mass: 212.9928425 ±  0.0000043 amu -  Excess Mass: -6667.147 ± 4.031 keV -  Binding Energy: 1660141.219 ± 4.041 keV -  Beta Decay Energy: B- -73.242 ±  5.478 keV -  Spin: 9/2+ -  Half life: 4.2 us -  Mode of decay: Alpha to Pb-209 º   Decay energy: 8.537 MeV -  Possible parent nuclides:                                                                Beta from Bi-213                                                                Alpha from Rn-217    

   

 

 

 

 

 

 

 

 

 

 

 

 

 

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