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platinum

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Platinum Period 5

on 6 May 2010

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Transcript of platinum

Platinum Uriel Lee, Giavonna Futia,and Maia Magill Period: 5 Grade:Eighth Grade
Name of Element: Platinum Symbol: Pt Atomic Number: 78
Atomic Mass: 195.078 amu
Element Classification: Metal
Element Group: Transition Metal Discovered by- Antonio de Ulboa in 1735
Discovered in South America
-Ulboa was panning for gold, and found the white metal nugget mixed with gold nuggets. The Spanish called it "Platina", the spanish word for Silver.

Historical Uses- Indians have been using it for over 1000 years for adornment. The Casket of Thebes is also adorned with platinum. Platinum is...
-Soft
-Dense
-Ductile
-Malleable
-Silvery-White Cont.
-Resistant to corrosion
-Melting Point: 1772.0 C
-Boiling Point: 3827.0 C
-State of matter in room temp.: solid
-Density: 21.45 g/cm
Modern Uses are...
jewelry
Wire
Vessels for labrotory use
dentistry
jet engine fuel nozzles
platinum anodes are used in cathodic protection systems to prevent ships, pipelines, and steel piers from corroding in salt water. Interesting Facts!
Platinum is the rarest and heaviest of the precious metals.
All of the platinum ever mined would fit in the average size living room.
Legendary jewelers such as Cartier and Tiffany created their timeless designs in platinum
As with all precious metals, platinum can be scratched. However, with platinum, there is actually no material lost from the scratch as there is with gold.
This is a coin made out of Platinum. This is a dentist. This is the Atomic Model for Platinum. This is a map of South America. This is Antonio de Ulboa. This is a Platinum rock. This is also a Platinum rock. Date Presenting: May 6, 2010
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