Pm
Promethium-163
Protons (Z)
61
Neutrons (N)
102
Mass number
163
Half-Life
255.0 ms
Abundance
---
Mass
162.954 u
Mass Excess
-42,960.0 keV
Spin
(5/2-)
Discovered
2012
Binding energy per nucleon
8,042 keV
Neutron separation energy
4,991 keV
Proton separation energy
11,239 keV
Decay Mode
Decay chain
- PmPromethium-163Z 61 · N 102255.0 ms
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%