Sb
Antimony-138
Protons (Z)
51
Neutrons (N)
87
Mass number
138
Half-Life
333.0 ms
Abundance
---
Mass
137.941 u
Mass Excess
-54,650.0 keV
Spin
(3-)
Discovered
1994
Binding energy per nucleon
8,178 keV
Neutron separation energy
2,661 keV
Proton separation energy
11,789 keV
Decay Mode
Decay chain
- SbAntimony-138Z 51 · N 87333.0 ms
- β⁻n72%
- β⁻97.06%
- β⁻92.49%
- β⁻100%
- β⁻100%