Gold Thallium

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.
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Mercury in the periodic table

SymbolHg
Atomic number80
Group12
Period6
Blockd
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

Atomära egenskaper

Electronegativity (Pauling Scale)2
Electron affinity-48 kJ/mol
Ionization energies
11007.1 kJ/mol
2 1810 kJ/mol
3 3300 kJ/mol

Electron configuration

Electron configuration1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2
Electrons per shell2, 8, 18, 32, 18, 2

History

Discovered-1500
Discovered byEgyptians