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Copper is one of the basic known elements, noted as Cu on the periodic table and has an atomic number of 29. ... Although native copper is somewhat rare, large amounts are found by the Great Lakes and was mined by ancient American cultures.

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Copper is useful because it is relatively soft, and transmits both heat and electricity well. Also it is an excellent electrical conductor and so it is used in electrical wiring and electronics.  It's highly resistant to the damage of water and other elements, so it is frequently used in construction.

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Cop[er is used to make water pipes and jewelry. It is also used in electrical generators and motors vehicle radiators for electrical wiring, and in electronic goods, such as radio and TV sets. Even used in air-conditioners home heating systems, and used in pennies.

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Group 11 element. Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper (Cu), silver (Ag), and gold (Au).

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Copper is from one of the first mined, then put through a series of processes to refine and purify the copper.In the USA the second largest producer of copper in the world. The largest copper mine is found in Utah (Bingham Canyon). Other major mines are found in Arizona, Michigan, New Mexico and Montana.

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http://www.periodictable.com/Elements/029/index.html

https://education.jlab.org/itselemental/ele029.html

https://education.jlab.org/itselemental/ele029.html

https://www.copper.org/education/c-facts/

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It is often found in deposits with other metals such as lead, zinc, gold and silver. By far the largest amounts of copper are found in the crust in bodies known as porphyry copper deposits. These deposits were once large masses of molten rock that cooled and solidified deep in the Earth's crust.