Rn
Radon-200m
Protons (Z)
86
Neutrons (N)
114
Mass number
200
Half-Life
28.0 µs
Abundance
---
Mass
199.998 u
Mass Excess
-1,680.0 keV
Spin
---
Discovered
2002
Binding energy per nucleon
7,743 keV
Neutron separation energy
8,191 keV
Proton separation energy
146 keV
Decay Mode
- γ→Radon-200100%
Decay chain
- RnRadon-200Z 86 · N 11428.0 µs
- γ100%
- α92%
- α94%
- β⁺~100%
- β⁺100%
- EC100%
- β⁺100%