Bk
Berkelium-250m
Protons (Z)
97
Neutrons (N)
153
Mass number
250
Half-Life
29.0 µs
Abundance
---
Mass
250.078 u
Mass Excess
72,987.6 keV
Spin
4+
Discovered
1966
Binding energy per nucleon
7,476 keV
Neutron separation energy
4,930 keV
Proton separation energy
5,052 keV
Decay Mode
- γ→Berkelium-250100%
Decay chain
- BkBerkelium-250Z 97 · N 15329.0 µs
- γ100%
- β⁻100%
- α99.923%
- α99.974%
- α~100%
- α~100%
- β⁻100%
- β⁻100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%