Tb
Terbium-138
Protons (Z)
65
Neutrons (N)
73
Mass number
138
Half-Life
800.0 ms
Abundance
---
Mass
137.953 u
Mass Excess
-43,600.0 keV
Spin
(2+)
Discovered
1993
Binding energy per nucleon
8,019 keV
Neutron separation energy
10,701 keV
Proton separation energy
-321 keV
Decay Mode
Decay chain
- TbTerbium-138Z 65 · N 73800.0 ms
- β⁺
- β⁺100%
- β⁺
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%