Description
Copper is a reddish, extremely ductile metal of Group 11 of the periodic table that is an unusually good conductor of electricity and heat. Copper is found in the free metallic state in nature.
Copper is commercially produced mainly by smelting or leaching, usually followed by electrodeposition from sulfate solutions. The major portion of copper produced in the world is used by the electrical industries; most of the remainder is combined with other metals to form alloys. (It is also technologically important as an electroplated coating.) Important series of alloys in which copper is the chief constituent are brasses (copper and zinc), bronzes (copper and tin), and nickel silvers (copper, zinc, and nickel, no silver).
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