Rn
Radon-202
Protons (Z)
86
Neutrons (N)
116
Mass number
202
Half-Life
9.7 s
Abundance
---
Mass
201.993 u
Mass Excess
-6,275.0 keV
Spin
0+
Discovered
1967
Binding energy per nucleon
7,769 keV
Neutron separation energy
10,239 keV
Proton separation energy
2,775 keV
Decay Mode
Decay chain
- RnRadon-202Z 86 · N 1169.7 s
- α78%
- α57%
- β⁺~100%
- β⁺100%
- EC100%
- β⁺100%