Cuadro de texto:  
-  Atomic Mass: 209.9828574 ± 0.0000031 amu 
-  Excess Mass: -15968.230 ± 2.909 keV 
-  Binding Energy: 1645228.334 ± 2.922 keV 
-  Beta Decay Energy: B- -3981.123 ± 7.745 keV 
-  Spin: 0+ 
-  Half life: 138.376 d 
-  Mode of decay: Alpha to Pb-206 
º  Decay energy: 5.407 MeV 
-  Possible parent nuclides: 
                                                               Beta from Bi-210 
                                                               Electron capture from At-210 
                                                               Alpha from Rn-214 
   

 

 

 

 

 

 

 

 

 

 

 

 

 

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