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Isotopes of Samarium (Sm)

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Samarium (Sm) has 38 istopes, they are
128Sm,    129Sm,    130Sm,    131Sm,    132Sm,    133Sm,    134Sm,    135Sm,    136Sm,    137Sm,    138Sm,    139Sm,    140Sm,    141Sm,    142Sm,    143Sm,    144Sm,    145Sm,    146Sm,    147Sm,    148Sm,    149Sm,    150Sm,    151Sm,    152Sm,    153Sm,    154Sm,    155Sm,    156Sm,    157Sm,    158Sm,    159Sm,    160Sm,    161Sm,    162Sm,    163Sm,    164Sm,    165Sm
Of which 5 istopes are stable
144Sm,    149Sm,    150Sm,    152Sm,    154Sm
Common Unstable Isotopes of Samarium (Sm) are
MassSymbolDecay TypeHalf Life
139m139mSm10.7 seconds
141m141mSm22.6 minutes
143m143mSm66 seconds
145145Sm340 days
146146SmAlpha decay (a)103.5 million years
147147SmAlpha decay (a)106 billion years
148148SmAlpha decay (a)7 x 1015 years
151151Sm90 years
153153Sm46.7 hours
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