Clark,+Braxtyn

//Electron configuration or orbital notation - //**1s2 2s22p6 3s23p63d10 4s24p64d104f14 5s25p65d10 6s1 ** // Number of valence electrons- //** 1 ** // How, when and who discovered it- //** Circa 3000 BC ** // Where and how is it produced, processed, or mined- **Anywhere because it is found in places it is not expected to be found** // // Chemical and physical properties- //** Gold is a soft very unreactive metal, not reactive to water. Liquid range-1791.67 K//, Molar volume-// **** 10.21 cm3 ** // Minerals, compounds, or ores found- //** Crust of the earth, copper ores ** // Two common chemical reactions- //** Gold does dissolve in aqueous cyanide solutions in the presence of air ** // Industrial or commercial uses**- Jewelry, decoration,** //** colloids, conjugates, nanoparticle inks, nanoparticle solutions, and nanopowders ** // Cost or value**- $400-$450 an ounce** // // Diagram of Bohr Model- // ===‍‍‍//Unusual facts // ‍‍‍ - ** Gold can be found in seawater, **** it is metallic, with a yellow color when in a mass, but when finely divided it may be black, ruby, or purple. **===
 * Gold– Au **
 * // Boiling point- //** 5173 °f **
 * // Melting point- //** 1947.52 °F **
 * // Specific gravity/density- //** 19300 kg m-3 **
 * // Atomic // //mass//- **196.97**
 * // Atomic number // - **79** ‍‍‍‍‍ ‍‍‍‍‍
 * Bentor, Yinon. Chemical element.com - Gold. dec. 22,2011[] **

href="[]" title="Gold - Periodic Table">Gold - Periodic Table

[] 14 December 2011