Fm
Fermium-253n
Protons (Z)
100
Neutrons (N)
153
Mass number
253
Half-Life
560.0 ns
Abundance
---
Mass
253.086 u
Mass Excess
79,697.0 keV
Spin
(11/2-)
Discovered
2011
Binding energy per nucleon
7,447 keV
Neutron separation energy
5,191 keV
Proton separation energy
4,882 keV
Decay Mode
- γ→Fermium-253100%
Decay chain
- FmFermium-253Z 100 · N 153560.0 ns
- γ100%
- EC88%
- α~100%
- β⁻~100%
- α~100%
- α~100%
- β⁻~100%
- α~100%
- α~100%
- β⁻100%
- α~100%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%