krypton

Krypton, element 36, was discovered by British chemist William Ramsay in 1898. Ramsay named it after the Greek κρυπτός, or kryptos, meaning secret or hidden because of the difficulty in detecting it. The gas is odorless, colorless, tasteless, and like the other noble gases does not react with other chemicals. The name first appears in the Westminster Gazette of 7 June 1898:

Berthelot read a letter from Professor Ramsay, [...] giving the first announcement of another discovery [...] This new gas he proposes to call krypton.1

Krypton has the chemical symbol Kr.


1Oxford English Dictionary, krypton, 2nd Edition, 1989, Oxford University Press, accessed 22 September 2009, http://dictionary.oed.com/cgi/entry/50128159

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