|Melting Point ( °C )||-157.37 C|
|Boiling Point ( °C )||-153.415 C|
|Earth crust (%)|
|Electron configuration||3d10 4s2 4p6|
|Ionization energy (eV)||1350.8 kJ·mol−1|
It is one of the products of uranium fission. Krypton was discovered by Sir William Ramsay in 1898. <ref>University of California. (2003). Krypton. Retrieved January 21, 2009, from http://periodic.lanl.gov/elements/36.html</ref> The element symbol for Krypton is Kr. The name krypton comes from the Greek word kryptos which means hidden. <ref>Bentor,Y.Krypton. Retrieved January 21, 2009, from http://periodic.lanl.gov/elements/36.html</ref> Krypton is from the production of air and can also makes bright lines of green and orange. <ref>University of California. (2003). Krypton. Retrieved January 21, 2009, from http://periodic.lanl.gov/elements/36.html</ref> Krypton can be used in lamps, photographic flash cubes, stroboscopic lamps, and lighthouses. It also gives off a great amount of light when electricity passes through it.
Naturally occurring krypton is made of six stable isotopes. Krypton is an inert radioactive noble gas.
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