Template:Infobox mercury

Mercury,  ₈₀Hg

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General properties
Pronunciation	Template:Infobox element/pronunciation
Appearance	silvery
Standard atomic weight (Ar, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Mercury in the periodic table
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Atomic number (Z)	80
Group	Template:Infobox element/group
Period	period 6
Block	d-block
Element category	Template:Infobox element/category format, alternatively considered a transition metal
Electron configuration	[Xe] 4f14 5d10 6s2
Electrons per shell	2, 8, 18, 32, 18, 2
Physical properties
Phase at STP	liquid
Melting point	234.3210 K ​(−38.8290 °C, ​−37.8922 °F)
Boiling point	629.88 K ​(356.73 °C, ​674.11 °F)
Density (near r.t.)	13.534 g/cm3
Triple point	234.3156 K, ​1.65×10−7 kPa
Critical point	1750 K, 172.00 MPa
Heat of fusion	2.29 kJ/mol
[[Enthalpy of vaporization|Heat of Template:Engvar]]	59.11 kJ/mol
Molar heat capacity	27.983 J/(mol·K)
[[Vapor pressure|Template:Engvar pressure]] Template:Infobox element/vapor pressure table
Atomic properties
Oxidation states	Template:Infobox element/symbol-to-oxidation-state
Electronegativity	Pauling scale: 2.00
[[Ionization energy|Template:Engvar energies]]	1st: 1007.1 kJ/mol 2nd: 1810 kJ/mol 3rd: 3300 kJ/mol
Atomic radius	empirical: 151 pm
Covalent radius	132±5 pm
Van der Waals radius	155 pm
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Other properties
Crystal structure	​Template:Infobox element/crystal structure Template:Infobox element/crystal structure
Speed of sound	liquid: 1451.4 m/s (at 20 °C)
Thermal expansion	60.4 µm/(m·K) (at 25 °C)
Thermal conductivity	8.30 W/(m·K)
Electrical resistivity	961 nΩ·m (at 25 °C)
Magnetic ordering	diamagnetic
Magnetic susceptibility	−33.44·10−6 cm3/mol (293 K)
CAS Number	7439-97-6
History
Discovery	Ancient Chinese and Indians (before 2000 BCE)
Main isotopes of mercury
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