Cuadro de texto:   -  Atomic Mass: 156.9239567 ± 0.0000032 amu -  Excess Mass: -70833.880 ± 2.951 keV -  Binding Energy: 1287960.943 ± 2.958 keV -  Beta Decay Energy: B- -60.053 ± 0.297 keV -  Atomic Percent Abundance: 15.65% -  Spin: 3/2- -  Stable Isotope     Meta state at 0.426 Mev -  Spin: 11/2- -  Half life: 18.5 us -  Mode of decay: IT º  Decay energy: 0.426 MeV -  Possible parent nuclides:                                                                Beta from Eu-157                                                                Electron capture from Tb-157

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                

 

                    Home                                 Index                                  Alphabetical List of Elements                              Radionuclide Chart