Pa
Protactinium-234
Protons (Z)
91
Neutrons (N)
143
Mass number
234
Half-Life
6.7 h
Abundance
---
Mass
234.043 u
Mass Excess
40,339.0 keV
Spin
4+
Discovered
1913
Binding energy per nucleon
7,595 keV
Neutron separation energy
5,222 keV
Proton separation energy
5,682 keV
Decay Mode
- β⁻→Uranium-234100%
Decay chain
- PaProtactinium-234Z 91 · N 1436.7 h
- β⁻100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%