86

Radioactive

Rn

Radon

(222)

Noble gas
Gas

Discovery

Dorn, Friedrich Ernst (1900)

Etymology

Latin via German and English

Meaning

Constraction of radium eminition

Electron configuration

Electron configuration

Crystal structure

Crystal structure

Face-centered cubic

Physical Properties

Phase

  (at 21 °C and 101.325 kPa)

Gas

Melting point

  (at 101.325 kPa)

-71.0 °C

202.15 K

Boiling point

  (at 101.325 kPa)

337.0 °C

610.15 K

Density

  (at 21 °C and 101.325 kPa)

9.73 g/cm3

Electronegativity

0.00