Rn
Radon-207
Protons (Z)
86
Neutrons (N)
121
Mass number
207
Half-Life
9.25 m
Abundance
---
Mass
206.991 u
Mass Excess
-8,635.0 keV
Spin
5/2-
Discovered
1954
Binding energy per nucleon
7,788 keV
Neutron separation energy
7,573 keV
Proton separation energy
3,485 keV
Decay Mode
Decay chain
- RnRadon-207Z 86 · N 1219.25 m
- β⁺79%
- β⁺90%
- β⁺~100%
- β⁺100%