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Gold PowerPoint Presentation

Gold

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Gold

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  1. Gold Element Project By: Jesse Wyns

  2. Element Info • Gold’s Atomic Symbol = Au • Gold’s Atomic Number = 79 • Gold’s Atomic Mass = 196.97 • Gold’s Periodic Group = 11 • Gold’s Period Number = 6

  3. Gold

  4. 2D Model of Gold

  5. Physical Properties • Melting Point = 1337.33 K, 1064.18 °C 1947.52 °F • Boiling Point = 3129 K, 2856 °C, 5173 °F • Density = 19.3 g/cm

  6. Chemical Properties • Nobel Metal • Chemically Inactive • Very good conductor of heat and energy • Oxidation State Ranges -1 to +5

  7. Gold’s Uses • Gold is often crafted into different jewelry which is the most common use of gold. • Other common use of gold is in the making of trophies and medals most commonly found in the Olympic medals. • At one point in time gold was the most common currency.

  8. Gold’s History • To the Incas gold was often referred to as “The Sun’s tears” • Gold was first discovered in it’s most common form, nuggets. • Gold was and still is the most sought after mineral for most humans.

  9. Gold’s Isotopes • Gold only has one stable isotope which is 197 Au • Gold also has 36 radioisotopes which are 195 Au

  10. Other Interesting Facts • The word “gold” comes from the Proto-Indo-Eruopean ghel/ghol which means “yellow”, “green” or possibly “bright”. • It is commonly used in wiring for sound equipment. • For some people it is also called “Butter”.