Sm
Samarium-152
Protons (Z)
62
Neutrons (N)
90
Mass number
152
Half-Life
Observationally stable
Abundance
26.74%
Mass
151.92 u
Mass Excess
-74,763.0 keV
Spin
0+
Discovered
1933
Binding energy per nucleon
8,244 keV
Neutron separation energy
8,258 keV
Proton separation energy
8,666 keV
Decay Mode
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