![]() When krypton is combined with fluorine, a host of industrial and scientific applications are made possible. Krypton diflouride (KrF 2) is one such compound – a volatile and colorless solid that can typically only be produced in amounts measured in grams. Krypton is mostly inert and few compounds containing krypton are known to exist. When isolated, krypton is commercially used for high-speed photographic flash bulbs and when mixed with other gases such as argon, is often present in fluorescent lamps. The high cost of fractional distillation of liquefied air to isolate this element precludes widespread use in practical applications. Krypton, atomic number 36, is one of the noble gases and is found in trace amounts (1 ppm) of the Earth’s atmosphere.
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