HISTORY

PLATINUM

• Used by the pre-Columbian Indians, platinum wasn't noticed by western scientists until 1735.
• Platinum can occur free in nature and is sometimes found in deposits of gold-bearing sand
• Platinum is a soft, dense, ductile metal that is very resistant to corrosion.
• Platinum is used to coat missile nose cones, jet engine fuel nozzles
• and other devices that must operate reliably for long periods of time at high temperatures.

CHEMICAL PROPERTIES

• Atomic Number: 78
• Atomic Weight: 195.084
• Melting Point: 2041.55 K ( 3215.1°F)
• Boiling Point: 4098 K (6917°F)
• Density: 21.46 grams per cubic centimeter

CHEMICAL PROPERTIES

• Phase at Room Temperature:Solid
• Element Classification: Metal
• well-suited for making fine jewelry.
• There are six naturally occurring isotopes
• Platinum bonds are often applied as a medicine to cure cancer

USES

• Is used for fine jewelry
• Because it is resistant to corrosion
• Is used in the exhaust of cars
• Because it controls toxic emissions

EXTRAS

• JapanUnited StatesEuropean Union China
• Are the main places where it is mined
• All of the Platinum ever mined would fit in the average size living room.
• Platinum is the rarest and the heaviest