Mercury (element)

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Atomic symbol Hg
Atomic number 80
Atomic mass 200.59
Other Information
Date of discovery Known since Ancient Times
Name of discoverer N/A
Name origin From the Latin word hydrargyrum (water-silver)
Uses Various
Obtained from Cinnabar

Mercury (symbol Hg), also known as quicksilver, is a metallic element with the atomic number of 80. It is the only metal that is liquid at room temperatures.

Mercury can be found in air, water, and soil. It exists in several forms: elemental or metallic mercury, inorganic mercury compounds, and organic mercury compounds.

Mercury is used in some thermometers, fluorescent light bulbs, and some electrical switches. Mercury is poisonous when ingested, and some countries are phasing out its use (see mercury controversy).

Mercury in Vaccines

Mercury has almost completely been removed from modern vaccines after the controversy that arose. (see Thiomersal)