Atomic number 36

About the element

Krypton is a chemical element with symbol Kr and atomic number 36. It is a member of noble gas elements. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere, is isolated by distilling liquefied air, and is often used with other rare gases in fluorescent lamps.

Member of group 18

Krypton was discovered in Britain in 1898 by Sir William Ramsay, a Scottish chemist, and Morris Travers, an English chemist, in residue left from evaporating nearly all of the components of liquid air.