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Mercury (Hg)

From Wikipedia, the free encyclopediaMercury is a chemical element with symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum (/haɪˈdrɑːrdʒərəm/). A heavy, silvery d-block element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure; the only other element that is liquid under these conditions is bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature.

Mercury in the periodic table

Atomic number80
Element categoryTransition Metal

Physical properties

Phase at STPLiquid
Density13.534 g/cm3
Atomic weight200.592 u
Melting point234.321 K
-38.829 °C
-37.8922 °F
Boiling point629.88 K
356.73 °C
674.114 °F

Atomic properties

Electronegativity (Pauling Scale)2
Electron affinity-48 kJ/mol
Oxidation states−2 , +1, +2
(a mildly basic oxide)
Ionization energies
11007.1 kJ/mol
2 1810 kJ/mol
3 3300 kJ/mol

Electron configuration

Elektronkonfiguration (shorthand)[Xe] 4f14 5d10 6s2
Electron configuration1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2
Electrons per shell2, 8, 18, 32, 18, 2


Discovered byEgyptians
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