Cm
Curium-242m
Protons (Z)
96
Neutrons (N)
146
Mass number
242
Half-Life
180.0 ns
Abundance
---
Mass
242.062 u
Mass Excess
57,600.0 keV
Spin
---
Discovered
1971
Binding energy per nucleon
7,523 keV
Neutron separation energy
4,173 keV
Proton separation energy
2,623 keV
Decay Mode
- SF
- γ→Curium-242
Decay chain
- CmCurium-242Z 96 · N 146180.0 ns
- γ
- α~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%