Pa

Protactinium-232

Protons (Z)

91

Neutrons (N)

141

Mass number

232

Half-Life

1.32 d

Abundance

---

Mass

232.039 u

Mass Excess

35,947.0 keV

Spin

(2-)

Discovered

1949

Binding energy per nucleon

7,610 keV

Neutron separation energy

5,549 keV

Proton separation energy

5,158 keV

Decay Mode

Decay chain

Protactinium-232Z 91 · N 1411.32 d
β⁻100%
α~100%
α~100%
α~100%
α100%
α100%
β⁻100%
β⁻64.046%
α100%