Bk
Berkelium-249
Protons (Z)
97
Neutrons (N)
152
Mass number
249
Half-Life
327.2 d
Abundance
---
Mass
249.075 u
Mass Excess
69,846.3 keV
Spin
7/2+
Discovered
1954
Binding energy per nucleon
7,486 keV
Neutron separation energy
6,355 keV
Proton separation energy
4,835 keV
Decay Mode
- SF4.7e-8%
Decay chain
- BkBerkelium-249Z 97 · N 152327.2 d
- 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%