Xenon was discovered in England by the Scottish chemist William Ramsay and English chemist Morris Travers on July 12, 1898, shortly after … See more

Xenon is a trace gas in Earth's atmosphere, occurring at a volume fraction of 87±1 nL/L (parts per billion), or approximately 1 part per 11.5 million. It is also found as a … See more

After Neil Bartlett's discovery in 1962 that xenon can form chemical compounds, a large number of xenon compounds have been discovered and described. Almost all known xenon … See more

Xenon has atomic number 54; that is, its nucleus contains 54 protons. At standard temperature and pressure, pure xenon gas has a density of 5.894 kg/m , about 4.5 times the … See more

Naturally occurring xenon is composed of seven stable isotopes: Xe, Xe, and Xe. The isotopes Xe and Xe are predicted by theory to undergo double beta decay, but this has never been … See more

Although xenon is rare and relatively expensive to extract from the Earth's atmosphere, it has a number of applications. See more

Xenon gas can be safely kept in normal sealed glass or metal containers at standard temperature and pressure. However, it readily … See more