Ce
Cerium-140m
Protons (Z)
58
Neutrons (N)
82
Mass number
140
Half-Life
7.3 µs
Abundance
---
Mass
139.908 u
Mass Excess
-85,966.3 keV
Spin
6+
Discovered
1966
Binding energy per nucleon
8,361 keV
Neutron separation energy
7,080 keV
Proton separation energy
6,033 keV
Decay Mode
- γ→Cerium-140100%
Decay chain
- CeCerium-140Z 58 · N 827.3 µs
- γ100%