Cuadro de texto:   -  Atomic Mass: 211.9906889 ± 0.0000044 amu -  Excess Mass: -8673.233 ± 4.143 keV -  Binding Energy: 1652511.276 ± 4.153 keV -  Beta Decay Energy: B- -5128.888 ± 25.980 keV -  Spin: 0+ -  Half life: 23.9 min -  Mode of decay: Alpha to Po-208 º  Decay energy: 6.385 MeV -  Possible parent nuclides:                                                                Electron capture from Fr-212                                                                Alpha from Ra-216

 

 

 

 

 

 

 

 

 

 

 

 

 

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