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36 Kr

Krypton

Noble Gas
Atomic Mass
83.798 u
Density
0.003733 g/cm³ (at 0 °C)
Melting Point
-157.2 °C
Boiling Point
-153.4 °C
State
Gas
Discovery
1898

Discovery

Discovered by William Ramsay and Morris Travers in 1898.

Common Uses

  • Used in some types of fluorescent lights and flash lamps for photography.
  • Krypton fluoride lasers are used in some research and industrial applications.
  • Used in some specialized scientific research.
  • Used as a filling gas for energy-efficient windows.

Interesting Facts

  • The name "krypton" comes from the Greek word "kryptos," meaning "hidden."
  • It is a colorless, odorless, and tasteless noble gas.
  • Relatively unreactive, but can form compounds with fluorine under extreme conditions.
  • The meter was once defined by the wavelength of a specific spectral line of krypton-86.
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