36

Kr

Krypton

83.798

Noble gas
Gas

Discovery

Ramsay, Wil & Travers, Morris Willliam (1898)

Etymology

Greek

Meaning

Hidden

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)

-157.0 °C

116.15 K

Boiling point

  (at 101.325 kPa)

58.8 °C

331.95 K

Density

  (at 21 °C and 101.325 kPa)

3.75 g/cm3

Electronegativity

3.00