Rn

Radon-211

Protons (Z)

86

Neutrons (N)

125

Mass number

211

Half-Life

14.6 h

Abundance

---

Mass

210.991 u

Mass Excess

-8,755.0 keV

Spin

1/2-

Discovered

1952

Binding energy per nucleon

7,794 keV

Neutron separation energy

7,221 keV

Proton separation energy

4,072 keV

Decay Mode

Decay chain

Radon-211Z 86 · N 12514.6 h
β⁺72.6%
EC58.2%
α100%