Fm

Fermium-246

Protons (Z)

100

Neutrons (N)

146

Mass number

246

Half-Life

1.54 s

Abundance

---

Mass

246.075 u

Mass Excess

70,191.0 keV

Spin

0+

Discovered

1966

Binding energy per nucleon

7,468 keV

Neutron separation energy

8,070 keV

Proton separation energy

3,418 keV

Decay Mode

SF6.8%

Decay chain

Fermium-246Z 100 · N 1461.54 s
α93.2%
α61%
α3.84%
EC94%
β⁺100%
α~100%
α~100%
α~100%
α100%
α99.98%
β⁻100%
β⁻99.976%
α100%
β⁻~100%
β⁻~100%
α100%