Cuadro de texto:   -  Atomic Mass: 217.0047096 ± 0.0000081 amu -  Excess Mass: 4386.981 ± 7.541 keV -  Binding Energy: 1680590.029 ± 7.547 keV -  Beta Decay Energy: B- 740.598 ± 7.903 keV -  Spin: 9/2- -  Half life: 32.3 ms -  Mode of decay: Alpha to Bi-213 º  Branch ratio: 99.99 % º  Decay energy: 7.202 MeV -  Mode of decay: Beta to Rn-217 º  Branch ratio: 0.01 % º  Decay energy: 0.740 MeV -  Possible parent nuclides:    Alpha from Fr-221

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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