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Periodic table
›
samarium
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Sm-152
Samarium-152 (Sm-152)
Identity
Protons
62
Neutrons
90
Mass number
152
Mass
151.9 ± 1.1 u
Mass excess
-74.763 MeV
Spin
0+
Stability
stable
Natural occurrence
26.74 %
of samarium
Produced by
Eu-152
All isotopes of samarium