What is Platinum? Mandisa Keswa

What Are Elements? Definition: A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus. I will be presenting the structure, history, and importance of Platinum.

Platinum’s atom - - - - - - - - - - - - - - - - - - - - - - - - - - - Shell N Shell K - - - - - - - - - - - - - - - - - - - - - - - - - - P=78 N=117 - - - - - Shell L - - - - - - - - - - - - - - - - - - Shell M - - - - - - - - - - - - - - - - - - - - - - - - - - - - Shell O Nucleus

What is the structure of Platinum? Platinum is a silvery, odorless solid It has 78 electrons and protons, and it has 117 neutrons. Atomic weight: 195.08 Atomic number: 78 Symbol: Pt

What is the history of Platinum? Platinum was discovered in 1755 It was discovered by Julius Ceaser Scaliger Men called conquistadors found grains of unknown metal They found out Platinum was very expensive and rare That’s how Platinum became a metal that everybody wanted Was also found in South Africa and Russia

Why is Platinum important? Platinum is and was used a lot in America Compounds of Platinum are used to treat cancer Also, it was used in 1400 BC for decorations to the Egyptians, and widely in South America Platinum, palladium and rhodium produced are used in vehicle emission technology Platinum is used in glassmaking equipment Investing in platinum may be done in the future

Interesting Facts Platinum is used to make jewelry settings Platinum is one of the densest metals It is rarer and more expensive than gold Teams up with Cisplatin to make a substance that helps fight cancer This precious metal is highly valued for its beauty and purity Platinum’s color, strength, hardness and resistance to tarnish are its advantages

Conclusion I learned… Platinum is highly useful and highly expensive Used as many types of substances people want to make money Needs to be invested for future uses Very different atomic structure than most elements Has a very high demand in America Has been used a lot during the past, present, and future

Works Consulted "A Periodic Table of the Elements at Los Alamos National Laboratory." Web. 10 Dec. 2010. “Elements." Chemical Elements.com - An Interactive Periodic Table of the Elements. Web. 10 Dec. 2010. "Elements." Current Science. POWER Library. SIRS Discoverer. Web. 10 Dec. 2010. "It's Elemental - The Periodic Table of Elements." Science Education at Jefferson Lab. Web. 10 Dec. 2010. Knapp, Brian J., David Woodroffe, and David A. Hardy. Elements. Danbury, CT: Grolier Educational, 2000. Print. "Periodic Table - Chart of All Chemical Elements." Lenntech. Web. 10 Dec. 2010. “WebElements.” Periodic Table of the Elements. Web. 10 Dec. 2010.