Rn

Radon-217

Protons (Z)

86

Neutrons (N)

131

Mass number

217

Half-Life

593.0 µs

Abundance

---

Mass

217.004 u

Mass Excess

3,659.0 keV

Spin

9/2+

Discovered

1949

Binding energy per nucleon

7,744 keV

Neutron separation energy

4,665 keV

Proton separation energy

5,887 keV

Decay Mode

αPolonium-213100%

Decay chain

Radon-217Z 86 · N 131593.0 µs
α100%
α100%
β⁻100%
α100%