Pm
Promethium-144n
Protons (Z)
61
Neutrons (N)
83
Mass number
144
Half-Life
---
Abundance
---
Mass
143.922 u
Mass Excess
-72,820.0 keV
Spin
(27+)
Discovered
1994
Binding energy per nucleon
8,246 keV
Neutron separation energy
-2,069 keV
Proton separation energy
-3,893 keV
Decay Mode
- γ→Promethium-144100%
Decay chain
- PmPromethium-144Z 61 · N 83Unknown
- γ100%
- EC~100%
- α100%