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Copper

Copper

Copper is a chemical element with the symbol Cu. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelrycupronickel used to make marine hardware and coins, and constantan used in strain gauges and thermocouples for temperature measurement.

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