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zinc
Image: Wikimedia Commons

zinc

Chemical element with symbol Zn and atomic number 30

Also known as Zn · Zn(ii) · Zn2+ · 30Zn · element 30

Symbol
  • Zn
Atomic number
Melting point
Boiling point
Density
  • 7,530.86 kg/m³
Discovered by
  • unknown
Discovered
  • unknown

Overview

All data

213 statements · 24% with external sources · numbers in brackets are citations

Canonical SMILES
Formula
Named after
Part of
Ionic radius
  • 0.6 ångström charge number: 2 · coordination number: 4
  • 0.74 ångström charge number: 2 · coordination number: 6
  • 0.9 ångström charge number: 2 · coordination number: 8
Bulk modulus
  • 85.9B Pa
Thermal conductivity
  • 120 watt per metre kelvin
Electrical conductivity
  • 16.7M siemens per metre
Specific heat capacity
  • 388 joule per kilogram kelvin
Speed of sound
  • 3,700 m/s
Electrical resistivity
  • 5.9e-8 ohm metre
Standard enthalpy of formation
  • 130.4 kilojoule per mole state of matter: gas
  • 6.52 kilojoule per mole state of matter: liquid
Standard molar entropy
  • 160.99 joule per mole kelvin state of matter: gas
  • 50.79 joule per mole kelvin state of matter: liquid
  • 41.63 joule per mole kelvin state of matter: solid
Ionization energy
Electron configuration
Atomic radius
  • 135 picometre
Covalent radius
  • 122 picometre

On other databases

113 identifiers linking zinc across the web's reference databases