Properties | More Info | Isotopes | Spectra
Compounds | Reactions | Production
Atomic: M.A.C. | Reference
Diagrams: Shell | Atomic Radius | Electron || Images
Isotopes of Samarium
Notable Isotopes show graph
144Sm [82 neutrons]
Abundance: 3.07%
Stable with 82 neutrons
146Sm [84 neutrons]
Abundance: synthetic
Half life: 1.03 x 108 years [ Alpha Decay ]
Decay Energy: 2.529 MeV
Decays to 142Nd.
147Sm [85 neutrons]
Abundance: 14.99%
Half life: 1.06 x 1011 years [ Alpha Decay ]
Decay Energy: 2.310 MeV
Decays to 143Nd.
148Sm [86 neutrons]
Abundance: 11.24%
Half life: 7 x 1015 years [ Alpha Decay ]
Decay Energy: 1.986 MeV
Decays to 144Nd.
149Sm [87 neutrons]
Abundance: 13.82%
Half life: 2 x 1015 years [ Alpha Decay ]
Decay Energy: 1.870 MeV
Decays to 145Nd.
150Sm [88 neutrons]
Abundance: 7.38%
Stable with 88 neutrons
152Sm [90 neutrons]
Abundance: 26.75%
Stable with 90 neutrons
154Sm [92 neutrons]
Abundance: 22.75%
Stable with 92 neutrons