Rn
Radon-228
Protons (Z)
86
Neutrons (N)
142
Mass number
228
Half-Life
1.08 m
Abundance
---
Mass
228.038 u
Mass Excess
35,243.0 keV
Spin
0+
Discovered
1989
Binding energy per nucleon
7,622 keV
Neutron separation energy
5,714 keV
Proton separation energy
9,476 keV
Decay Mode
- β⁻→Francium-228100%
Decay chain
- RnRadon-228Z 86 · N 1421.08 m
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%
- α~100%
- α~100%
- α100%
- α100%
- β⁻100%
- β⁻64.046%
- α100%