Tm
Thulium-158m
Protons (Z)
69
Neutrons (N)
89
Mass number
158
Half-Life
---
Abundance
---
Mass
157.937 u
Mass Excess
-58,600.0 keV
Spin
(5-)
Discovered
1981
Binding energy per nucleon
8,101 keV
Neutron separation energy
7,962 keV
Proton separation energy
2,475 keV
Decay Mode
Decay chain
- TmThulium-158Z 69 · N 89Unknown
- γ
- β⁺100%
- EC100%
- β⁺100%