Cuadro de texto:   -  Atomic Mass: 86.9091835 ± 0.0000027 amu -  Excess Mass: -84595.045 ± 2.484 keV -  Binding Energy: 757853.053 ± 2.487 keV -  Beta Decay Energy: B- 283.314 ± 1.515 keV -  Atomic Percent Abundance: 27.835% -  Spin: 3/2- -  Half life: 4.75E10 years -  Mode of decay: Beta to Sr-87 º  Decay energy: 0.283 MeV -  Possible parent nuclides:     Beta from Kr-87     Electron capture from Sr-87

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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