Pm
Promethium-141n
Protons (Z)
61
Neutrons (N)
80
Mass number
141
Half-Life
---
Abundance
---
Mass
140.916 u
Mass Excess
-77,992.0 keV
Spin
(23/2+)
Discovered
1985
Binding energy per nucleon
8,286 keV
Neutron separation energy
7,851 keV
Proton separation energy
1,024 keV
Decay Mode
- γ→Promethium-141100%
Decay chain
- PmPromethium-141Z 61 · N 80Unknown
- γ100%
- β⁺100%
- β⁺100%