katie - 12/11/2007 9:19:02 PM
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kellie - 11/17/2006 6:14:18 PM |
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tell me some interesting facts about th element COPPER! |
1.High-purity copper (99.999%) is available commercially.
2.The electrical industry is one of the greatest users of copper.
3.All-American coins are copper alloys. Gun metals contain it as well.
4.Copper has a wide use as an agricultural poison and as an algaecide.
5.It is found in many minerals such as cuprites, malachite, azurite, chalcopyrite, and bornite.
6.It is believed that copper has been mined for 5000 years.
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