Pa
Protactinium-233
Protons (Z)
91
Neutrons (N)
142
Mass number
233
Half-Life
26.98 d
Abundance
---
Mass
233.04 u
Mass Excess
37,489.4 keV
Spin
3/2-
Discovered
1938
Binding energy per nucleon
7,605 keV
Neutron separation energy
6,529 keV
Proton separation energy
5,246 keV
Decay Mode
- β⁻→Uranium-233100%
Decay chain
- PaProtactinium-233Z 91 · N 14226.98 d
- β⁻100%
- α~100%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%