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196.96657 u ± 0.000004 u
- 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.
- “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.