Bk
Berkelium-253
Protons (Z)
97
Neutrons (N)
156
Mass number
253
Half-Life
1.0 h
Abundance
---
Mass
253.087 u
Mass Excess
80,930.0 keV
Spin
(3/2-)
Discovered
1991
Binding energy per nucleon
7,451 keV
Neutron separation energy
5,681 keV
Proton separation energy
5,419 keV
Decay Mode
- β⁻→Californium-253
Decay chain
- BkBerkelium-253Z 97 · N 1561.0 h
- β⁻
- β⁻99.69%
- α~100%
- β⁻~100%
- α~100%
- α~100%
- β⁻~100%
- α~100%
- α~100%
- β⁻100%
- α~100%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%