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cerium
Image: Wikimedia Commons

cerium

Chemical element with symbol Ce and atomic number 58

Chemical elementchemical elementQ1385

Also known as element 58 · Ce · 58Ce

Symbol
Atomic number
Mass
Melting point
  • 1,070 K
Boiling point
  • 3,743 K
Density
  • 9,123.65 kg/m³
Discovered by
Discovered

Overview

All data

286 statements · 13% with external sources · numbers in brackets are citations

Named after
Canonical SMILES
Formula
Unicode character
Electronegativity
  • 1.12
Part of
Ionic radius
  • 1.01 ångström charge number: 3 · coordination number: 6
  • 1.14 ångström charge number: 3 · coordination number: 8
  • 1.25 ångström charge number: 3 · coordination number: 10
  • 1.34 ångström charge number: 3 · coordination number: 12
  • 0.87 ångström charge number: 4 · coordination number: 6
  • 0.97 ångström charge number: 4 · coordination number: 8
  • 1.07 ångström charge number: 4 · coordination number: 10
  • 1.14 ångström charge number: 4 · coordination number: 12
Permanent duplicated item
Made from material
Show 52 more+80 more on Wikidata ↗ (all included in downloads)
Bulk modulus
  • 39.3B Pa
Shear modulus
  • 34B Pa
Poisson's ratio
  • 0.165
Thermal conductivity
  • 11 watt per metre kelvin
Electrical conductivity
  • 1,350,000 siemens per metre
Speed of sound
  • 2,100 m/s
Subclass of
Mohs' hardness
  • 2.5
Has characteristic
Linear thermal expansion coefficient
  • 6.1 micrometre per metre kelvin temperature: 20°C
Ionization energy
Electron configuration
IPA transcription
Oxidation state
  • 3
  • 4
  • 1
  • 2
Crystal system
Atomic radius
  • 185 picometre
Covalent radius
  • 204 picometre

On other databases

63 identifiers linking cerium across the web's reference databases