Titanium (Ti) – element 22
Titanium is a chemical element with the symbol Ti and atomic number 22. It is a transition metal in group 4, period 4 of the periodic table (d-block), and is a solid at room temperature.
Titanium (Ti) has atomic number 22, atomic mass 47.867 u and electron configuration [Ar] 3d2 4s2.
Titanium facts
| Symbol | Ti |
|---|---|
| Atomic number | 22 |
| Atomic mass | 47.867 u (g/mol) |
| Category | transition metal |
| Group | group 4 |
| Period | 4 |
| Block | d-block |
| Phase at 20 °C | Solid |
| Electron configuration | 1s2 2s2 2p6 3s2 3p6 4s2 3d2 |
| Noble-gas notation | [Ar] 3d2 4s2 |
| Electrons per shell | 2, 8, 10, 2 |
Bohr model and shells
Titanium has 22 electrons in 4 shells: 2, 8, 10, 2. Full configuration and noble-gas notation are in the table; work out any element or ion with the electron configuration calculator.
Physical and atomic properties
| Melting point | 1941 K (1667.8 °C) |
|---|---|
| Boiling point | 3560 K (3286.8 °C) |
| Density | 4.506 g/cm³ |
| Electronegativity (Pauling) | 1.54 |
| Electron affinity | 7.289 kJ/mol |
| Ionization energies | 658.8, 1309.8, 2652.5 kJ/mol (1st, 2nd, 3rd) |
| Molar heat capacity | 25.06 J/(mol·K) |
| Discovered by | William Gregor |
Use the atomic mass in the molar mass calculator for any formula containing Ti.
Position in the periodic table
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Frequently asked questions
What is the atomic mass of titanium?
The atomic mass of titanium is 47.867 u, so one mole of titanium atoms weighs 47.867 g.
What is the electron configuration of titanium?
Titanium has 22 electrons: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d², or [Ar] 3d² 4s² in noble-gas notation. Electrons per shell: 2, 8, 10, 2.
Is titanium a metal?
Yes. Titanium is a transition metal.
Where is titanium on the periodic table?
Titanium is in group 4, period 4, in the d-block.
Data: Periodic-Table-JSON (CC BY-SA 3.0); standard atomic weights from IUPAC (abridged). Values in brackets are the mass number of the longest-lived isotope.