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titanium
Image: Wikimedia Commons

titanium

Chemical element with symbol Ti and atomic number 22

Chemical elementchemical elementsimple substancelithophile elementQ716

Also known as 22Ti · element 22

Symbol
Atomic number
  • 22
Mass
Melting point
  • 1,941 K
  • , 1,670°C
Boiling point
  • 3,286.85°C
Density
  • 4,670.17 kg/m³
Discovered by
Discovered
  • 1791
  • , 1791

Overview

All data

279 statements · 16% with external sources · numbers in brackets are citations

Oxidation state
Named after
Subclass of
Crystal system
Speed of sound
  • 5,090 m/s temperature: 20°C · under pressure: 1 standard atmosphere · state of matter: solid
Thermal conductivity
  • 21.9 watt per metre kelvin state of matter: solid · temperature: 20°C · under pressure: 1 standard atmosphere
Tensile modulus of elasticity
  • 116 gigapascal temperature: 20°C · under pressure: 1 standard atmosphere
Poisson's ratio
  • 0.32 temperature: 20°C · under pressure: 1 standard atmosphere
Mohs' hardness
  • 6 temperature: 20°C
Hardness
  • 2,125 MPa temperature: 20°C · under pressure: 1 standard atmosphere
  • 1,493 MPa temperature: 20°C · under pressure: 1 standard atmosphere
Name
Shear modulus
  • 41.4 gigapascal
Unicode character
Electronegativity
  • 1.54
Specific heat capacity
  • 520 joule per kilogram kelvin difference
Part of
Different from
Formula
Ionic radius
  • 0.86 ångström charge number: 2 · coordination number: 6
  • 0.67 ångström charge number: 3 · coordination number: 6
  • 0.42 ångström charge number: 4 · coordination number: 4
  • 0.61 ångström charge number: 4 · coordination number: 6
  • 0.74 ångström charge number: 4 · coordination number: 8
Electron configuration
  • [Ar] 3d² 4s²
OpenStreetMap tag
  • material=titanium
Made from material
Space group
Bulk modulus
  • 113B Pa
Electrical conductivity
  • 2,500,000 siemens per metre
Electrical resistivity
  • 4.2e-7 ohm metre
Point group
Standard enthalpy of formation
  • 473.63 kilojoule per mole state of matter: gas
  • 13.65 kilojoule per mole state of matter: liquid
Standard molar entropy
  • 180.298 joule per mole kelvin state of matter: gas
  • 39.18 joule per mole kelvin state of matter: liquid
  • 30.72 joule per mole kelvin state of matter: solid
Has characteristic
Ionization energy
IPA transcription
Atomic radius
  • 140 picometre
Covalent radius
  • 160 picometre

On other databases

91 identifiers linking titanium across the web's reference databases