Krypton

Source: http://www.tabulka.cz/english/elements/show.asp?id=36

name Krypton
latin Krypton
french Krypton
german Krypton
symbol Kr
proton number 36
atomic weight 83.8
Pauling electronegativity 3
electronic configuration [Ar] 3d104s24p6
1s22s22p63s23p63d104s24p6
melting point 115.79 K, -157.36°C, -251.25°F
boiling point 119.93 K, -153.22°C, -243.8°F
group 18
period 4
state (by 20°C) gas
oxidation states +2, +4

Discoverer

Year of discovery Discoverers
1898 Sir William Ramsay (1852-1916)
Morris W. Travers (1872-1961)


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