Fm
Fermium-241
Protons (Z)
100
Neutrons (N)
141
Mass number
241
Half-Life
730.0 µs
Abundance
---
Mass
241.074 u
Mass Excess
69,220.0 keV
Spin
(5/2+)
Discovered
2008
Binding energy per nucleon
7,459 keV
Neutron separation energy
---
Proton separation energy
2,299 keV
Decay Mode
- SF
Decay chain
- FmFermium-241Z 100 · N 141730.0 µs
- α<14%
- α70%
- β⁺80%
- α4.5%
- α68%
- α100%
- α100%
- α100%
- α100%
- α100%