Krypton is most often combined with other rare gases to make fluorescent lamps. Krypton is a chemical element of the periodic table with chemical symbol Kr and has atomic number 36 with an atomic mass of 83.7982 u and it belongs to the. The element’s gas concentration in earth’s atmosphere is about 1 ppm and is isolated by fractioning liquid air. The vibrant green and orange spectral-signatured element is considered a noble gas due to its low chemical reactivity. The element was found in residue of the evaporated components of liquid air by W. Electronic configuration of Now number s-orbital according to above process. Krypton, named after the Greek word kryptos, meaning “hidden”, was discovered in 1898. To do electron configuration of krypton(Kr),we have to know the atomic.
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