36 Kr Krypton
Noble gas, mass: 83.8 u, 5 stable isotopes (80, 82, 83, 84, 86), abundance rank (earth/space): 82/32Click image to magnify. Vial of glowing ultrapure krypton. Original size in cm: 1 x 5. How to make gases glow.


The noble gas krypton is very rare on earth, but much more abundant in space. It has some use in laser technology and in lamps, where it makes a bright, white light. The radioactive 85Kr, which has a half-life of just under eleven years, is emitted by nuclear reprocessing plants in significant amounts.

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Page last changed on March 05. 2016
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