Rn
Radon-210
Protons (Z)
86
Neutrons (N)
124
Mass number
210
Half-Life
2.4 h
Abundance
---
Mass
209.99 u
Mass Excess
-9,605.0 keV
Spin
0+
Discovered
1952
Binding energy per nucleon
7,797 keV
Neutron separation energy
8,735 keV
Proton separation energy
4,010 keV
Decay Mode
Decay chain
- RnRadon-210Z 86 · N 1242.4 h
- α96%
- β⁺94.55%
- β⁺100%