Bk

Berkelium-247

Protons (Z)

97

Neutrons (N)

150

Mass number

247

Half-Life

1.38 ky

Abundance

---

Mass

247.07 u

Mass Excess

65,490.0 keV

Spin

3/2-

Discovered

1965

Binding energy per nucleon

7,499 keV

Neutron separation energy

6,551 keV

Proton separation energy

4,416 keV

Decay Mode

αAmericium-243100%
SF

Decay chain

Berkelium-247Z 97 · N 1501.38 ky
α100%
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%