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Cuadro de texto:   -  Atomic Mass: 128.9047795 ± 0.0000009 amu -  Excess Mass: -88697.350 ± 0.813 keV -  Binding Energy: 1087650.909 ± 0.832 keV -  Beta Decay Energy: B- -1195.955 ± 4.592 keV -  Atomic Percent Abundance: 26.4% -  Spin: 1/2+ -  Stable Isotope     Meta state at 0.236 Mev -  Spin: 11/2- -  Half life: 8.88 d -  Mode of decay: IT º  Decay energy: 0.236 MeV -  Possible parent nuclides:     Beta from I-129     Electron capture from Cs-129  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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