Rn

Radon-212

Protons (Z)

86

Neutrons (N)

126

Mass number

212

Half-Life

23.9 m

Abundance

---

Mass

211.991 u

Mass Excess

-8,659.0 keV

Spin

0+

Discovered

1950

Binding energy per nucleon

7,795 keV

Neutron separation energy

7,975 keV

Proton separation energy

4,301 keV

Decay Mode

αPolonium-208100%

Decay chain

Radon-212Z 86 · N 12623.9 m
α100%
α~100%