History+of+Krypton

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Krypton was found in 1898 in Great Britain by Sir William Ramsay and his student Morris W. Travers. The origin of it's name is Greek; //Kryptos// means //hidden.// The Krypton was left in a residue after they had boiled away water, oxygen, nitrogen, helium, and argon from a sample of liquid air. Krypton is present in the air at about 1 ppm. Just a few weeks later, they discovered neon during a similar procedure.