Tb
Terbium-141m
Protons (Z)
65
Neutrons (N)
76
Mass number
141
Half-Life
7.9 s
Abundance
---
Mass
140.941 u
Mass Excess
-54,540.0 keV
Spin
(11/2-)
Discovered
1988
Binding energy per nucleon
8,097 keV
Neutron separation energy
12,131 keV
Proton separation energy
47 keV
Decay Mode
- β⁺→Gadolinium-141100%
Decay chain
- TbTerbium-141Z 65 · N 767.9 s
- β⁺100%
- β⁺99.97%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%