Kr


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Kr,

symbol for the element kryptonkrypton
[Gr.,=hidden], gaseous chemical element; symbol Kr; at. no. 36; at. wt. 83.798; m.p. −156.6°C;; b.p. −152.3°C;; density 3.73 grams per liter at STP; valence usually 0. Krypton is a colorless, odorless, tasteless gas.
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Kr

(chemistry)

KR

(1)

kr

(networking)
The country code for South Korea.