Element 22
Titanium (Ti)
Titanium (Ti) is element 22 of the periodic table, a transition metal in period 4, group 4 (d-block) with an atomic mass of 47.867 and is a solid at standard conditions.
At a glance
- Atomic number
- 22
- Symbol
- Ti
- Atomic mass
- 47.867 u
- Category
- Transition metals
- Period
- 4
- Group
- 4
- Block
- d-block
- Phase at STP
- solid
Electron structure
- Electron configuration
- 1s2 2s2 2p6 3s2 3p6 3d2 4s2
- Shorthand configuration
- [Ar] 3d2 4s2
- Electrons per shell
- 2, 8, 10, 2
- Oxidation states
- -2, -1, +1, +2, +3, +4
Physical properties
- Melting point
- 1941 K
- Boiling point
- 3560 K
- Density
- 4.506 g/cm3
- Phase
- solid
Atomic properties
- Electronegativity (Pauling)
- 1.54
- Atomic radius
- 176 pm
- Covalent radius
- 160 pm
- First ionization energy
- 659 kJ/mol
- Electron affinity
- 8 kJ/mol
Notable isotopes
| Isotope | Mass | Abundance | Stability |
|---|---|---|---|
| Ti-48 | 47.94795 | 73.72% | Stable |
Common uses
- Aerospace
- Medical implants
- Jewelry
- Paint pigments
Discovery
- Year
- 1791
- Discovered by
- William Gregor
- Country
- England