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GOLD

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symbol

Au

atomic number

79

atomic weight

196.96657 u ± 0.000004 u

element name

gold

group

Coinage metal

period

6

color

gold

classification

metallic

Additional information

  • history:As far back as 3100 B.C., we have evidence of a gold/silver value ratio in the code of Menes, the founder of the first Egyptian dynasty.
  • uses:jewelry and decoration
  • description:Gold is an expensive element. We human beings use gold for a lot of uses, like expensive jewelry and decorations.
  • biology:Gold is not a necessary trace element for living things and neither are any of the other third row d-block elements.
  • geology (in the universe):Gold is found as the free element in nature and associated with quartz, pyrite and other minerals.
  • Two thirds of the world's supply comes from South Africa.
  • properties:Gold is a soft metal with many of interesting physical properties. Gold is both malleable and ductile.
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Interesting facts

  • “Gold” is from the Proto-Indo-European base meaning “yellow,” “green,” or “bright.”
  • Gold is used in astronaut helmets to reflect infrared rays while allowing sunlight to pass through.
  • In every cubic mile of sea water there is 25 tons of gold.
  • Gold so rare that the world pours more steel in an hour than it has poured gold since gold has been discovered.
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