Cuadro de texto:   -  Atomic Mass: 211.9997835 ± 0.0000146 amu -  Excess Mass: -201.676 ± 13.616 keV -  Binding Energy: 1642475.011 ± 13.619 keV -  Beta Decay Energy: B- -7477.985 ± 93.794 keV -  Spin: 0+ -  Half life: 13.0 s -  Mode of decay: Alpha to Rn-208                                 º  Branch ratio: ~90.00 %                                 º  Decay energy: 7.032 MeV -  Mode of decay: EC to Fr-212                                 º  Branch ratio: ~15.00 %                                 º  Decay energy: 3.350 MeV -  Possible parent nuclides:    Alpha from Th-216      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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