Th

Thorium-222

Protons (Z)

90

Neutrons (N)

132

Mass number

222

Half-Life

2.24 ms

Abundance

---

Mass

222.018 u

Mass Excess

17,203.0 keV

Spin

0+

Discovered

1970

Binding energy per nucleon

7,677 keV

Neutron separation energy

7,808 keV

Proton separation energy

4,616 keV

Decay Mode

Decay chain

Thorium-222Z 90 · N 1322.24 ms
α100%
α100%
α100%
α100%