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mercury
Image: Wikimedia Commons

mercury

Chemical element with symbol Hg and atomic number 80

Chemical elementchemical elementsuperconducting elementchalcophile elementQ925

Also known as element 80 · mercury (element) · hydrargyrum · 80Hg · quicksilver

Symbol
Atomic number
  • 80
Mass
Melting point
Boiling point
  • 674.11°F
Density
  • 13.6 g/cm³

Overview

All data

217 statements · 23% with external sources · numbers in brackets are citations

Subclass of
NIOSH Pocket Guide ID
  • 0383
Speed of sound
Has effect
Immediately dangerous to life or health
  • 10 milligram per cubic metre
Vapor pressure
  • 0.0012 millimetre of mercury temperature: 68°F
Time-weighted average exposure limit
  • 0.1 milligram per cubic metre applies to jurisdiction: United States · runtime: 8 h
Formula
Canonical SMILES
Native label
Crystal system
Standard molar entropy
Magnetic ordering
Unicode character
Part of
Has use
Named after
  • Mercury
  • water applies to name of subject: hydrargyrum
  • silver applies to name of subject: hydrargyrum
Ionic radius
  • 1.19 ångström charge number: 1 · coordination number: 6
  • 0.69 ångström charge number: 2 · coordination number: 2
  • 0.96 ångström charge number: 2 · coordination number: 4
  • 1.02 ångström charge number: 2 · coordination number: 6
  • 1.14 ångström charge number: 2 · coordination number: 8
Electron configuration
  • [Xe] 4f¹⁴ 5d¹⁰ 6s²
Molar fusion enthalpy
  • 2.37 kilojoule per mole
Specific heat capacity
  • 140
Electrical conductivity
  • 1,040,000 siemens per metre
Thermal conductivity
Subject has role
Associated hazard
Made from material
Electronegativity
  • 2
Alternative name
Space group
Point group
Standard enthalpy of formation
  • 61.38 kilojoule per mole state of matter: gas
Has characteristic
Linear thermal expansion coefficient
  • 60.4 micrometre per metre kelvin temperature: 25°C
Ionization energy
Oxidation state
  • 1
  • 2
  • -2
Atomic radius
  • 150 picometre
Covalent radius
  • 132 picometre

On other databases

98 identifiers linking mercury across the web's reference databases