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Aleah Gastfield

on 26 April 2010

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Transcript of Copper

Atomic Number: 29
Atomic Weight: 63.546
Valence Electrons: 3
Element Classification: Metal
Period Number: 4
Group Number: 11 name origin:
In Roman times, it became known as aes Cyprium (aes being the generic Latin term for copper alloys such as bronze and other metals, and Cyprium because so much of it was mined in Cyprus). From this, the phrase was simplified to cuprum and then eventually Anglicized into the English copper. Uses:
Copper is used widely in the electrical industry. It also has many other uses. For example it is used to make pennies, jewlery, plumbing, and cookware. Copper can be found mostly in Canada,
Chile, Germany, and Italy. It can be found in nature as mineral form as a polycrystal. Most copper is found inside of crustal rocks. Similar Elements:
silver (Ag)
gold (Au)
Copper and these other two elements are all in group 11, known as the transition metals. Copper Forms:
1. Copper is used in pennys which people use everday. Pennies are a form of currancy in the United States.
2. Jewlery- copper is used to make some kinds of jewlery. But due to its fast capability to rust and to turn your skin green it is usually coated with a silver coating.
3. Electrical wire- big stores lie Publix have lots of copper electrical wires running through the building. Copper is good for this because it conducts heat reasonably.
4. Cookware- copper is used to make pots and pans and even eating utensils.
5. Circuit boards- just like electrical wires, copper is good for curcuit boards. Discovered:
scientist aren't positive how copper was discovered due to the fact that it is believed that copper was well in use before the time of Christ. Copper is a natural antibacterial, and so inhibits the spread of bacteria in water and air distribution systems made from it. In the same way, brass doorknobs, handrails and fingerplates in public buildings can help to minimise risk of bacterial transfer.
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