SymbolTi
Latin nameTitanium
Atomic number22
Period4
Element categoryTransition elements
Relative atomic mass47.88
GroupIV.B
Electronegativity
1.5
Oxidation numbers
2, 3, 4
Electron configuration
1s2 2s2 2p6 3s2 3p6 3d2 4s2
Density [g/cm3]
4.507
State
Solid
Melting point [°C]
1660
Boiling point [°C]
3287
Thermal conductivity [W m-1K-1]
21.9
Heat capacity [J K-1g-1]
0.523
Discovery
1790
Hardness [Mohs scale]
6.0
Vickers hardness [MPa]
970
Brinell hardness [MPa]
716
Young's modulus [GPa]
116
Electrical conductivity [S m-1]
2.6 · 106
Electrical resistivity [10-6Ω.m]
0.42
Shear modulus [GPa]
44
1.st ionization energy [eV]
6.8282
2.nd ionization energy [eV]
13.58
3.rd ionization energy [eV]
27.491
Stable isotopes
5
Unstable isotopes
4