1. Platinum by Ellison Heil

2. Uses and properties  Platinum is used for many things such as  Dentistry  Used in missile nose cones because of its reliability at high temp  used in jewelry, wire, and vessels for laboratory use  Used for coating items that must be exposed to high temperatures for long periods of time  Anti cancer drugs  Explosives  Fiber-obtic cables  LCD screens  And many more  Melting Point: 2041.55 K (1768.4°C or 3215.1°F)  Boiling Point: 4098 K (3825°C or 6917°F)  Density: 21.46 grams per cubic centimeter  It is a solid at room Temperature  it’s a silvery-white metal when pure  does not oxidize in air at any temperature

3. FACTS  Platinum comes from the Spanish word platina meaning silver  Discovered in South America in 1734 by Ulloa  Platinum cost about 8 times as much as gold in 1920  It costs bout $500/troy oz right now  Platinum is 35 times more rare than Gold  Considered the rarest of all the metals  Approximately 8 tons of raw ore must be mined to produce just one pure ounce of platinum

4. platinum Properties Uses Facts Discovery South America 1734 Density 21.46 6917°F Boiling point 6917°F Melting point: 3215.1°F By Ulloa 35 times more rare Than Gold Comes from the word Platina Costs about $500/troy oz Dentistry jewelry Missile nose tips

5. SOURCES  http://www.principalmetals.com/utilities/78.htm http://www.principalmetals.com/utilities/78.htm  http://www.svetn.org/Angel/section/default.asp?id=NS% 2DBRE%2DSCI%2DScience6%2DYear05 http://www.svetn.org/Angel/section/default.asp?id=NS% 2DBRE%2DSCI%2DScience6%2DYear05 http://www.svetn.org/Angel/section/default.asp?id=NS% 2DBRE%2DSCI%2DScience6%2DYear05  http://www.svetn.org/Angel/section/default.asp?id=NS% 2DBRE%2DSCI%2DScience6%2DYear05 http://www.svetn.org/Angel/section/default.asp?id=NS% 2DBRE%2DSCI%2DScience6%2DYear05 http://www.svetn.org/Angel/section/default.asp?id=NS% 2DBRE%2DSCI%2DScience6%2DYear05  http://www.platinuminfo.net/pgm_pt_props.html http://www.platinuminfo.net/pgm_pt_props.html  http://www.azom.com/details.asp?ArticleID=1238 http://www.azom.com/details.asp?ArticleID=1238