Cuadro de texto:   -  Atomic Mass: 217.0046165 ± 0.0000076 amu -  Excess Mass: 4300.196 ± 7.052 keV -  Binding Energy: 1679112.107 ± 7.058 keV -  Beta Decay Energy: B- -1573.813 ± 11.153 keV -  Spin: 9/2- -  Half life: 22 us -  Mode of decay: Alpha to At-213                             º  Decay energy: 8.469 MeV -  Possible parent nuclides:    Alpha from Ac-221    

 

 

 

 

 

 

 

 

 

 

 

 

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