Cuadro de texto:   -  Atomic Mass: 21.0117142 ± 0.0000176 amu -  Excess Mass: 10911.681 ± 16.416 keV -  Binding Energy: 149197.857 ± 16.416 keV -  Beta Decay Energy: B- -15207.000 ± 299.000 keV -  Spin: /2,5/2)+ -  Half life: 122 ms -  Mode of decay: Electron capture to Na-21 º  Decay energy: 13.096 MeV -  Mode of decay: EC + Proton to Ne-20 º  Branch ratio: 29.30 % º  Decay energy: 10.665 MeV -  Possible parent nuclides:                                            EC + P from Si-22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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