Mercury

Hg - 80

Characteristics

*Mercury is known as quicksilver.

*It is the only metal that is a liquid.

*Mercury is heavy and silvery-white.

*Poor conductor of heat.

*Fair conductor of electricity.

Uses

  1. Used in Thermometers.
  2. Barometers.
  3. Mercury switches.
  4. Florescent lamps.
  5. Float valves.

History of mercury

  1. Mercury was known to ancient Chinese and Hindus before 2000 BC and was found in tubes in Egyptian tombs dated from 1500 BC.
  2. It is named after the planet Mercury.
  3. Mercury's chemical symbol, Hg, comes from the Greek "hydrargyrum" meaning liquid silver.
  4. It was in the mining of the element where mercury first became associated with human illness beginning as tremors and progressing to severe mental derangement.
  5. The Romans used their mercury mines as penal institutions for criminals, slaves, and other undesirables.
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