Hg
Mercury

Mercury is a heavy, silvery-white metal from the periodic table. It is a liquid at room temperature, and is the only metal that is liquid at this temperature. Mercury is used in thermometers and barometers, and is also used in the production of chlorine gas and caustic soda.

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Atomic number80
GroupIIB
Period6
Mass200.59
Latin nameHydrargyrum
Electron configuration[Xe]4f14 5d10 6s2
Oxidation state-2, 0, 1, 2