Cuadro de texto:   -  Atomic Mass: 257.0996060 ± 0.0002230 amu -  Excess Mass: 92782.000 ± 207.000 keV -  Binding Energy: 1900965.000 ± 207.000 keV -  Beta Decay Energy: B- -3229.000 ± 337.000 keV -  Spin: (9/2+) -  Half life: 0.646 s -  Mode of decay: Alpha to Md-253 º  Decay energy: 9.010 MeV -  Mode of decay: SF º  Branch ratio: <0.0065 % º  Decay energy: 9.010 MeV

 

 

 

 

 

 

 

 

 

 

 

 

                

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