Fm
Fermium-244
Protons (Z)
100
Neutrons (N)
144
Mass number
244
Half-Life
3.12 ms
Abundance
---
Mass
244.074 u
Mass Excess
68,960.0 keV
Spin
0+
Discovered
1967
Binding energy per nucleon
7,468 keV
Neutron separation energy
8,431 keV
Proton separation energy
3,079 keV
Decay Mode
- SF>97%
Decay chain
- FmFermium-244Z 100 · N 1443.12 ms
- β⁺<2%
- β⁺94.989%
- α75%
- α~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α100%
- α100%
- β⁻100%
- β⁻64.046%
- α100%