Bk

Berkelium-250

Protons (Z)

97

Neutrons (N)

153

Mass number

250

Half-Life

3.21 h

Abundance

---

Mass

250.078 u

Mass Excess

72,952.0 keV

Spin

2-

Discovered

1954

Binding energy per nucleon

7,476 keV

Neutron separation energy

4,966 keV

Proton separation energy

5,088 keV

Decay Mode

β⁻Californium-250100%

Decay chain

Berkelium-250Z 97 · N 1533.21 h
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%