Cuadro de texto:  
-  Atomic Mass: 257.0968528 ± 0.0000331 amu 
-  Excess Mass: 90217.768 ± 30.873 keV 
-  Binding Energy: 1904312.147 ± 30.874 keV 
-  Beta Decay Energy: B- -2564.000 ± 210.000 keV 
-  Spin: (7/2+) 
-  Half life: 25 s 
-  Mode of decay: Alpha to Fm-253 
º  Branch ratio: ~100.00 % 
º  Decay energy: 8.450 MeV

 

 

 

 

 

 

 

 

 

 

 

 

 

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