Tb
Terbium-140
Protons (Z)
65
Neutrons (N)
75
Mass number
140
Half-Life
2.29 s
Abundance
---
Mass
139.946 u
Mass Excess
-50,480.0 keV
Spin
(7+)
Discovered
1986
Binding energy per nucleon
8,069 keV
Neutron separation energy
10,421 keV
Proton separation energy
139 keV
Decay Mode
Decay chain
- TbTerbium-140Z 65 · N 752.29 s
- β⁺99.74%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%
- β⁺100%