Tb
Terbium-155
Protons (Z)
65
Neutrons (N)
90
Mass number
155
Half-Life
5.32 d
Abundance
---
Mass
154.924 u
Mass Excess
-71,250.0 keV
Spin
3/2+
Discovered
1957
Binding energy per nucleon
8,203 keV
Neutron separation energy
9,161 keV
Proton separation energy
4,833 keV
Decay Mode
- EC→Gadolinium-155100%
Decay chain
- TbTerbium-155Z 65 · N 905.32 d
- EC100%