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Platinum

Platinum is a chemical element in the periodic table that has the symbol Pt and atomic number 78.

A heavy, malleable, ductile, precious, grey-white transition metal, platinum is resistant to corrosion and occurs in some nickel and copper ores along with some native deposits.

Platinum is used in jewellery, laboratory equipment, electrical contacts, dentistry, and automobile emissions control devices.

Note:   The above text is excerpted from the Wikipedia article "Platinum", which has been released under the GNU Free Documentation License.
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July 30, 2015

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