Ankney,+Taylor


 * Platinum, Pt **

Boiling Point- 6917 degrees F

Melting point- 3214.76 degrees F

Density- 21.09 g/cm3

Number of protons- 78

Neutrons- 117

Electrons- 78

Atomic Number-78

Atomic Mass-195.084

Electron configuration - 4f145d96s1

Number of valence electrons- 1

Platinum was known to Native South Americans before Columbus, and taken to Europe around and 1750. It was discovered by Antonio de Ulloa and Don Jorge Juan y Santacilia and is found in alluvial ores.

It is found uncombined in alluvial deposits and prepared commercially as a by-product of nickel refining from copper, therefore, it is found in Nickel ores.

Chemical properites - the Mineral’s hardness is 3.5, Platinum’s reflectivity is 73%, and it’s liquid range is 2056.6 K

<span style="font-family: 'Arial Rounded MT Bold','sans-serif'; font-size: 19px;">Physical Properties- silvery-white metal and is malleable and ductile (when pure)

<span style="font-family: 'Arial Rounded MT Bold','sans-serif'; font-size: 19px;">Location found- Nickel ores

<span style="font-family: 'Arial Rounded MT Bold','sans-serif'; font-size: 19px;">Common chemical reactions- metal form of platinum reacts with fluorine gas and results in either volatile platinum fluoride, or the tetrameric platinum fluoride, tetrachloride is formed in the reactions of Platinum metal and Chlorine

<span style="font-family: 'Arial Rounded MT Bold','sans-serif'; font-size: 19px;">Industrial or commercial use- jeweler, wire and vessels for laboratory use, thermocouple elements, electrical contacts, corrosion- resistant apparatus, dentistry, jet fuel nozzles

<span style="font-family: 'Arial Rounded MT Bold','sans-serif'; font-size: 19px;">Cost or value- $1620.00- $1637.00 per gram

<span style="font-family: 'Arial Rounded MT Bold','sans-serif'; font-size: 19px;">The name of Platinum came from the Spanish word ‘platina’, meaning little silver. Platinum is as much corrosion and tarnish resistant as gold, it is almost as rare as well. It is used in a catalyst that is used in an anti- cancer drug. <span style="font-family: 'Arial Rounded MT Bold','sans-serif'; font-size: 19px;">- -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - -- - --

<span style="font-family: 'Arial Rounded MT Bold','sans-serif'; font-size: 19px;">Works Cited: = = =<span style="color: #000000; font-family: Tahoma,Geneva,sans-serif;">[]- = <span style="font-family: tahoma,geneva,sans-serif; font-size: 140%;">CRC Handbook of Chemistry and Physics, CRC Press, 92nd Edition, last edit- 2011

**<span style="font-family: Tahoma,Geneva,sans-serif;">[]- **<span style="font-family: Tahoma,Geneva,sans-serif;">Mark Winter, 2011

**[]** - Kitco Metals, 2012