Cuadro de texto:   -  Atomic Mass: 137.9052413 ± 0.0000032 amu -  Excess Mass: -88267.172 ± 2.980 keV -  Binding Energy: 1158297.929 ± 2.986 keV -  Beta Decay Energy: B- -1737.751 ± 3.681 keV -  Atomic Percent Abundance: 71.70% -  Spin: 0+ -  Stable Isotope -  Possible parent nuclides:    Beta from Cs-138    Electron capture from La-138

 

 

 

 

 

 

 

 

 

 

 

 

                    

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