Sm

Samarium-154

Protons (Z)

62

Neutrons (N)

92

Mass number

154

Half-Life

Observationally stable (>2.3 Ey)

Abundance

22.74%

Mass

153.922 u

Mass Excess

-72,455.6 keV

Spin

0+

Discovered

1933

Binding energy per nucleon

8,227 keV

Neutron separation energy

7,967 keV

Proton separation energy

9,097 keV

Decay Mode

β⁻