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Krypton | Send-To | Print | More
[syn: Kr]
Category: Chemistry | 1604 views
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© Jay F. Kominek
Symbol: Kr
Atomic number: 36
Atomic weight: 83.80
Colorless gaseous element, belongs to the noble gases. Occurs in the air, 0.0001% by volume. It can be extracted from liquid air by fractional
distillation. Generally not isolated, but used with other inert gases in
fluorescent lamps. Five natural isotopes, and five radioactive isotopes. Kr-85, the most stable radioactive isotope, has a half-life of 10.76 years and is produced in fission reactors. Practically inert, though known
to form compounds with fluorine.
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