Bk
Berkelium-251m
Protons (Z)
97
Neutrons (N)
154
Mass number
251
Half-Life
58.0 µs
Abundance
---
Mass
251.081 u
Mass Excess
75,264.0 keV
Spin
(7/2+)
Discovered
1966
Binding energy per nucleon
7,469 keV
Neutron separation energy
5,759 keV
Proton separation energy
5,015 keV
Decay Mode
- γ→Berkelium-251100%
Decay chain
- BkBerkelium-251Z 97 · N 15458.0 µs
- γ100%
- β⁻100%
- α100%
- α100%
- β⁻100%
- α~100%
- β⁻100%
- α~100%
- α~100%
- β⁻100%
- α~100%
- β⁻98.62%
- α100%
- α~100%
- α100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%