Tm
Thulium-181
Protons (Z)
69
Neutrons (N)
112
Mass number
181
Half-Life
7.0 s
Abundance
---
Mass
180.962 u
Mass Excess
-35,440.0 keV
Spin
(1/2+)
Discovered
2012
Binding energy per nucleon
7,969 keV
Neutron separation energy
5,341 keV
Proton separation energy
9,549 keV
Decay Mode
Decay chain
- TmThulium-181Z 69 · N 1127.0 s
- β⁻
- β⁻
- β⁻100%
- β⁻100%