Chromium

Source: http://www.tabulka.cz/english/elements/show.asp?id=24

name Chromium
latin Chromium
french Chrome
german Chrom
symbol Cr
proton number 24
atomic weight 51.9961
Pauling electronegativity 1.66
electronic configuration [Ar] 3d54s1
1s22s22p63s23p63d54s1
melting point 2180 K, 1907°C, 3464°F
boiling point 2944 K, 2671°C, 4840°F
group 6
period 4
state (by 20°C) solid
oxidation states +2, +3, +6

Discoverer

Year of discovery Discoverer
1798 Louis N. Vauquelin (1763-1829)


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