Henderson,+Brandon

== = = [] [] [] http://gold.yabz.com/facts.htm Atomic number 79 Atomic symbol Au Atomic weight 197.0 Boiling point 2865 Melting point 217pm Density 19.282 grams per cubic centimeter $31.00 per gram Protons and electrons 79 Neutrons 118 Number of valence electrons 11 Africa was the place gold was found Uses of gold money, jewelry, ductile metal Its heat of vaporization is 334.4 kJ/mol. 80% of gold is still in the ground ing 560 B.C., the Lydian’s introduced the first gold coin Oxidation

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[] Author Mark Winter Last updated 2012

2. Los Alamos [] Thomas D’Agostino Dec 5

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Thomas jefferson unknown