Cuadro de texto:   -  Atomic Mass: 217.0130662 ± 0.0000332 amu -  Excess Mass: 12171.056 ± 30.956 keV -  Binding Energy: 1668894.187 ± 30.957 keV -  Beta Decay Energy: B- -4864.635 ± 83.210 keV -  Spin: (9/2+) -  Half life: 0.252 ms -  Mode of decay: Alpha to Ra-213 Decay energy: 9.424 MeV

        

 

 

 

 

 

 

 

 

 

 

 

 

 

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