Cuadro de texto:   -  Atomic Mass: 212.9938684 ± 0.0000077 amu -  Excess Mass: -5711.591 ± 7.140 keV -  Binding Energy: 1657620.956 ± 7.145 keV -  Beta Decay Energy: B- -2148.483 ± 9.984 keV -  Spin: (9/2+) -  Half life: 25.0 ms -  Mode of decay: Alpha to Po-209 º  Decay energy: 8.243 MeV -  Possible parent nuclides:                                                                Electron capture from Fr-213                                                                Alpha from Ra-217    

 

 

 

 

 

 

 

 

 

 

 

 

 

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