Copper

Source: http://www.tabulka.cz/english/elements/show.asp?id=29

name Copper
latin Cuprum
french Cuivre
german Kupfer
symbol Cu
proton number 29
atomic weight 63.546
Pauling electronegativity 1.9
electronic configuration [Ar] 3d104s1
1s22s22p63s23p63d104s1
melting point 1357.77 K, 1084.62°C, 1984.32°F
boiling point 3200 K, 2927°C, 5300°F
group 11
period 4
state (by 20°C) solid
oxidation states +1, +2

Discoverer

This element has been known since ancient times. The particular discoverer is not known.


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