Atomic Number: 36
Atomic Weight: 83.80
Melting Point: -156.6
Boiling Point: -152.3
Specific Gravity: n/a
Krypton was discovered by Ramsay and Travers in 1898. Krypton is rare, present in the air in
only minute quantities. Separating krypton from liquid air is difficult; consequently, the high cost
of krypton limits its uses. It is used for filling various fluorescent and incandescent lighting
devices. Its name comes from "kryptos", which is Greek for hidden.
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