Mercury
Freddie Hg
History
Mercury got its name from the planet Mercury. The latin name, and also the element symbol (Hg) is Hyrdragyrum. It has the prefix hydra because it is one of the only liquid elements in the periodic table. The element was discovered by ancitent Chinese and Hindus before 2000 BC.
Uses
Mercury is most commonly used in thermometers. The Mercury in the thermometer is in the bottom, and rises to show temperature. It is also used in barometers, mercury-vapor lamps, and pesticides.
Description
Mercury is the only metal that is liquid at room temperature. It has a silvery-white color and reflects light. Mercury has a rhombohedral cyrstal structure.
Biology
There is no Mercury in human bodies consumed otherwise. It has no use to the human body because it is a poisonous liquid. Mercury can get trough skin.
Geology
Mercury was first found in the Earth's crust in Spain and Almaden. There is approximently .005% Mercury in sea water.
Properties
Melting point: 234.32 [‑38.83 °C (‑37.89 °F)] K
Boiling point: 629.88 [356.73 °C (674.11 °F)] K
Intresting Facts
*Mercury vapor should not exceed 0.1 mg m-3 in air
*It’s the heaviest know liquid element