What is Gold? By: Becca Riesenberger

What Are Elements? Definition: An Element is a specific type of atom I will be presenting the structure, history, and importance of the element gold

Gold’s Atom P = 79 N = 118

What is the Structure of Gold? Description: yellow, soft, can be seen easily, Shape it Number of P: 79,E: 79, N: 118 Atomic weight:197.0 Atomic number: 79 Symbol: Au

What is the History of Gold? Who discovered it: unknown How it was discovered: unknown Date it was discovered: unknown Obtained from the crust of the earth About 2/3 of the world’s gold comes from South Africa and 2/3 of the U.S.A’s gold comes from South Dakota and Nevada

Why is Gold Important? In the past it was used by: South Americans, Asians, South Africa, Egyptians, Greeks, Romans and Chinese In the past, it was used to make jewelry and money Uses: Jewelry, finance, electronics, computers, dentistry, medical, aerospace, awards, glassmaking, fighting cancer

Interesting Facts Gold was the first element known to man Pure gold is 24 karats

Conclusion Gold is not only beautiful, but is has many important uses as well. Did you ever realize how many important uses gold has and how many times you use gold?

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