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Cuadro de texto:   -  Atomic Mass: 238.0509405 ± 0.0000021 amu -  Excess Mass: 47450.729 ± 1.970 keV -  Binding Energy: 1800765.233 ± 1.996 keV -  Beta Decay Energy: B- 1292.041 ± 0.689 keV -  Spin: 2+ -  Half life: 2.117 d -  Mode of decay: Beta to Pu-238 º  Decay energy: 1.292 MeV -  Possible parent nuclides:    Alpha from Am-242