Pm
Promethium-165
Protons (Z)
61
Neutrons (N)
104
Mass number
165
Half-Life
260.0 ms
Abundance
---
Mass
164.963 u
Mass Excess
-34,670.0 keV
Spin
(5/2-)
Discovered
2018
Binding energy per nucleon
7,992 keV
Neutron separation energy
4,381 keV
Proton separation energy
---
Decay Mode
Decay chain
- PmPromethium-165Z 61 · N 104260.0 ms
- β⁻
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%