Fr
Francium-233
Protons (Z)
87
Neutrons (N)
146
Mass number
233
Half-Life
900.0 ms
Abundance
---
Mass
233.053 u
Mass Excess
48,920.0 keV
Spin
(1/2+)
Discovered
2010
Binding energy per nucleon
7,569 keV
Neutron separation energy
5,224 keV
Proton separation energy
---
Decay Mode
Decay chain
- FrFrancium-233Z 87 · N 146900.0 ms
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%
- α~100%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%