1. What is Gold? By Julia Ugras

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

3. Gold’s Atom Protons: 79 Neutrons: 119 Nucleus Electrons (-) Shell K Shell L Shell M Shell N Shell O Shell P

4. What is the Structure of Gold? A gold colored metal, has six shells 79 Protons, 79 Electrons and 119 Neutrons Atomic Weight : 197amu Atomic Number: 79 Symbol: Au

5. What is the History of Gold? No one is attributed to discovering Gold Believed to be discovered in 3,000 BC ( age of Egyptians) Is over 5,011 years old Oldest Gold jewelry is from 700 BC

6. Why is Gold Important? Jewelry Electric Conductors Dentistry Decoration Bowls Vases Electronics

7. Interesting Facts Two thirds of the Earth’s Gold is found in South Africa Two thirds of the United States Gold supply comes from South Dakota and Nevada One ounce of Gold can be beaten down to 300 square feet Gold can be kept captive inside rocks

8. Conclusion I learned lots of interesting information about Gold Three main things that interested me Gold is from the Earth’s crust Amount of neutrons (119) Gold contains Gold is over 5,011 years old Gold is a very interesting and important element

9. 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.