Tb
Terbium-158
Protons (Z)
65
Neutrons (N)
93
Mass number
158
Half-Life
180.0 y
Abundance
---
Mass
157.925 u
Mass Excess
-69,470.9 keV
Spin
3-
Discovered
1957
Binding energy per nucleon
8,189 keV
Neutron separation energy
6,778 keV
Proton separation energy
5,936 keV
Decay Mode
Decay chain
- TbTerbium-158Z 65 · N 93180.0 y
- β⁺83.4%