Gold

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by alliewerner97
Last updated 7 years ago

Discipline:
Science
Subject:
Chemistry

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Gold

GOLD (Au)

The first use of Gold can be traced back to as early as 2600 BC with the Egyptians

Uses for Gold-78% of the world's gold goes to making jewelry-Currency-Electronics and computers (because it is an efficient conductor)-Dentistry and Medicine-Aerospace (used in space vehicles)-Medals and Awards (olympic gold medals)

Atomic Number: 79

Gold is metallic, with a yellow colour when in a mass, but when finely divided it may be black, ruby, or purple.

Generally speaking, gold is not very reactive. It does not combine with oxygen or dissolve in most acids. It does not react with halogens, such as chlorine or bromine , very easily. These chemical properties also account for some important uses of gold. Gold coins, for example, do not corrode (rust) or tarnish very easily. Neither does jewelry or artwork made of gold.

Gold is edible. Some Asian countries put gold in fruit, jelly snacks, coffee, and tea. Since at least the 1500s, Europeans have been putting gold leaf in bottles of liquor, such as Danziger Goldwasser and Goldschlager. Some Native American tribes believed consuming gold could allow humans to levitate.


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