Titanium (symbol Ti, atomic number 22) is a strong, corrosion-resistant metal used in jet engines, implants, and white pigment. It is classified as a transition metal and sits in group 4, period 4 of the periodic table.
Overview
Titanium is the chemical element with atomic number 22 and the symbol Ti. With a standard atomic weight of 47.867, it is a transition metal. In the periodic table it occupies group 4 and period 4, and under standard conditions it is normally a solid. Titanium is a strong, corrosion-resistant metal used in jet engines, implants, and white pigment.
Atomic structure
An atom of Titanium has 22 protons in its nucleus and, when neutral, 22 electrons arranged in the configuration [Ar] 3d2 4s2. Its standard atomic weight of 47.867 reflects the natural mix of its stable isotopes.
Discovery and place in the table
Titanium was discovered in 1791 by William Gregor. It follows Scandium (Sc) and precedes Vanadium (V) in order of atomic number.
| Atomic number | 22 |
|---|---|
| Symbol | Ti |
| Atomic mass | 47.867 |
| Category | Transition metal |
| Group | 4 |
| Period | 4 |
| Electron configuration | [Ar] 3d2 4s2 |
| Phase at STP | Solid |
| Discovered | 1791 (William Gregor) |