Cuadro de texto:   -  Atomic Mass: 217.0063060 ± 0.0000103 amu -  Excess Mass: 5874.010 ± 9.565 keV -  Binding Energy: 1676755.940 ± 9.569 keV -  Beta Decay Energy: B- -2819.321 ± 15.620 keV -  Spin: (9/2+) -  Half life: 1.6 us -  Mode of decay: Alpha to Rn-213                                 º  Decay energy: 9.161 MeV -  Possible parent nuclides:    Alpha from Th-221    

 

 

 

 

 

 

 

 

 

 

 

 

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