Tm
Thulium-161
Protons (Z)
69
Neutrons (N)
92
Mass number
161
Half-Life
30.2 m
Abundance
---
Mass
160.934 u
Mass Excess
-61,899.0 keV
Spin
7/2+
Discovered
1959
Binding energy per nucleon
8,120 keV
Neutron separation energy
9,670 keV
Proton separation energy
3,124 keV
Decay Mode
- β⁺→Erbium-161100%
Decay chain
- TmThulium-161Z 69 · N 9230.2 m
- β⁺100%
- β⁺100%
- EC100%