Tb
Terbium-156m
Protons (Z)
65
Neutrons (N)
91
Mass number
156
Half-Life
5.3 h
Abundance
---
Mass
155.925 u
Mass Excess
-70,003.0 keV
Spin
(0+)
Discovered
1950
Binding energy per nucleon
8,194 keV
Neutron separation energy
6,824 keV
Proton separation energy
5,222 keV
Decay Mode
Decay chain
- TbTerbium-156Z 65 · N 915.3 h
- γ
- β⁺100%