Rn
Radon-225
Protons (Z)
86
Neutrons (N)
139
Mass number
225
Half-Life
4.66 m
Abundance
---
Mass
225.028 u
Mass Excess
26,534.0 keV
Spin
7/2-
Discovered
1969
Binding energy per nucleon
7,654 keV
Neutron separation energy
3,982 keV
Proton separation energy
8,466 keV
Decay Mode
- β⁻→Francium-225100%
Decay chain
- RnRadon-225Z 86 · N 1394.66 m
- β⁻100%
- β⁻100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%