Pm
Promethium-132
Protons (Z)
61
Neutrons (N)
71
Mass number
132
Half-Life
6.2 s
Abundance
---
Mass
131.934 u
Mass Excess
-61,630.0 keV
Spin
(3+)
Discovered
1977
Binding energy per nucleon
8,177 keV
Neutron separation energy
9,931 keV
Proton separation energy
1,151 keV
Decay Mode
Decay chain
- PmPromethium-132Z 61 · N 716.2 s
- β⁺~100%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%