Fr

Francium-230

Protons (Z)

87

Neutrons (N)

143

Mass number

230

Half-Life

19.1 s

Abundance

---

Mass

230.042 u

Mass Excess

39,487.0 keV

Spin

(2+)

Discovered

1987

Binding energy per nucleon

7,604 keV

Neutron separation energy

4,252 keV

Proton separation energy

7,164 keV

Decay Mode

β⁻Radium-230100%

Decay chain

Francium-230Z 87 · N 14319.1 s
β⁻100%
β⁻100%
β⁻~100%
α~100%
α~100%
α100%
α99.98%
β⁻100%
β⁻99.976%
α100%
β⁻~100%
β⁻~100%
α100%