Template:Infobox titanium

Titanium,  ₂₂Ti

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General properties
Pronunciation	Template:Infobox element/pronunciation
Appearance	silvery grey-white metallic
Standard atomic weight (Ar, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Titanium in the periodic table
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Atomic number (Z)	22
Group	Template:Infobox element/group
Period	period 4
Block	d-block
Element category	Template:Infobox element/category format
Electron configuration	[Ar] 3d2 4s2
Electrons per shell	2, 8, 10, 2
Physical properties
Phase at STP	solid
Melting point	1941 K ​(1668 °C, ​3034 °F)
Boiling point	3560 K ​(3287 °C, ​5949 °F)
Density (near r.t.)	4.506 g/cm3
when liquid (at m.p.)	4.11 g/cm3
Heat of fusion	14.15 kJ/mol
[[Enthalpy of vaporization|Heat of Template:Engvar]]	425 kJ/mol
Molar heat capacity	25.060 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: 1.54
[[Ionization energy|Template:Engvar energies]]	1st: 658.8 kJ/mol 2nd: 1309.8 kJ/mol 3rd: 2652.5 kJ/mol (more)
Atomic radius	empirical: 147 pm
Covalent radius	160±8 pm
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Other properties
Crystal structure	​Template:Infobox element/crystal structure Template:Infobox element/crystal structure
Speed of sound thin rod	5090 m/s (at r.t.)
Thermal expansion	8.6 µm/(m·K) (at 25 °C)
Thermal conductivity	21.9 W/(m·K)
Electrical resistivity	420 nΩ·m (at 20 °C)
Magnetic ordering	paramagnetic
Magnetic susceptibility	+153.0·10−6 cm3/mol (293 K)
Young's modulus	116 GPa
Shear modulus	44 GPa
Bulk modulus	110 GPa
Poisson ratio	0.32
Mohs hardness	6.0
Vickers hardness	830–3420 MPa
Brinell hardness	716–2770 MPa
CAS Number	7440-32-6
History
Discovery	William Gregor (1791)
First isolation	Jöns Jakob Berzelius (1825)
Named by	Martin Heinrich Klaproth (1795)
Main isotopes of titanium
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