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Published on Nov 24, 2015

By Aly bethard

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1.

GOLD

By Aly Bethard
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GOLD

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Gold gets its name from the Anglo-Saxon word "geolo" for yellow. The symbol Au comes from the Latin word for gold, "aurum."

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Untitled Slide

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196.96657 ± 0.000004 U GOLD, ATOMIC MASS

Average atomic mass represents the weighted average of the masses of the isotopes of the element.
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196.96657 ± 0.000004 U

  • Because the gram atomic mass of an element is the mass in grams of Avogadro's Number of atoms.
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DISCOVERED BY THE ANCIENTS

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THERE IN NO KNOWN TIME WHEN GOLD WAS DISCOVERED

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GOLD NATURALLY OCCURS IN A SOLID FORM.

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USED IN:

MONEY, JEWELRY, MEDICAL, ELECTRONICS, AND MANY MORE.
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HARD, YELLOW METAL WITH SHINY METALLIC LUSTER

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TOP 20 MOST MINED

  • Argentina, Australia, Brazil, Canada, Chile, China, Colombia, Cohan, Indonesia, Kazakhstan, Mali, Mexico, Papua New Guinea, Peru, Philippines, Russia, South Africa, Tanzania, United States, Uzbekistan
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  • Melting/freezing point: 1065 degrees celsius
  • Boiling point: 2970 degrees celsius
  • Density: 19.3 grams
  • Color/Appearance: yellow, shiny
  • Texture: smooth, soft metal
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CLASSIFICATION IS A METAL

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The worlds biggest gold nugget was 90 kilograms and found in Australia

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Without gold: we would have to find different metals for jewelry, medicine wouldn't be as advanced because of the gold in some medicines. Technology wouldn't be as far ahead due to different conductors, California wouldn't have been settled due to the gold rush, less population in the area. Mass population in the east, death, starvation due to more mouths to feed. U

Aly Bethard