Th

Thorium-230

Protons (Z)

90

Neutrons (N)

140

Mass number

230

Half-Life

75.4 ky

Abundance

0.02%

Mass

230.033 u

Mass Excess

30,862.5 keV

Spin

0+

Discovered

1907

Binding energy per nucleon

7,631 keV

Neutron separation energy

6,794 keV

Proton separation energy

7,116 keV

Decay Mode

SF<4e-12%

Decay chain

Thorium-230Z 90 · N 14075.4 ky
α~100%
α~100%
α100%
α99.98%
β⁻100%
β⁻99.976%
α100%
β⁻~100%
β⁻~100%
α100%