Fm
Fermium-243
Protons (Z)
100
Neutrons (N)
143
Mass number
243
Half-Life
231.0 ms
Abundance
---
Mass
243.074 u
Mass Excess
69,320.0 keV
Spin
(7/2-)
Discovered
1981
Binding energy per nucleon
7,464 keV
Neutron separation energy
7,151 keV
Proton separation energy
2,769 keV
Decay Mode
- SF9%
Decay chain
- FmFermium-243Z 100 · N 143231.0 ms
- α91%
- α65%
- α4%
- α13%
- α100%
- α100%
- α100%
- α100%
- α100%