Mercury

MERCURY Edited by Isabel Ceron and Quinn Hansen Symbol: HG Atomic Number: 80 Atomic Mass 200.59

Melting Point: -38.83 ºC -37.89 ºF 234.32 ºK

Boiling Point: 356.73 ºC 674.11 ºF 629.88

Half-life: 444 Years

Mercury can be commonly known as quick silver and a liquid metal with a low melting point of -37.89°F. It can be commonly used in things such as " thermometers, barometers, manometers, sphygmomanometers, float valves , mercury switches, mercury relays, fluorescent lamps." said on wikipedia. Although thermometers and sphygmomanometers is an example of items that no longer have mercury due to it being toxic. It was discovered in Egyptian tombs that dated all the way back from 1500 BC! Starting in 1558, people invented a way to extract it from the Earth's crust called "patio process." When mercury deposits were discovered over 100,000 tons of mercury were mined from the two regions of Huancavelica and Peru. Mercury was a high demand in the late 19th century. Mercury is also a poor conductor of heat, but a fair conductor os electricity. Mercury was found in Egyptian tombs that date back to 1500 BC.

citation edited by Siri