22Ti47.867
Transition Metald-block
Titanium
Element 22 on the periodic table, symbol Ti, group 4, period 4.
Titanium is a chemical element with symbol Ti and atomic number 22. It is a lustrous transition metal with a silver color, low density and high strength. It is highly resistant to corrosion in sea water, aqua regia and chlorine.
Appearance: silvery grey-white metallic
Properties
- Atomic Number
- 22
- Atomic Mass
- 47.8671 u
- Group
- 4
- Period
- 4
- Block
- d-block
- Category
- Transition Metal
- State at 25 °C
- Solid
- Melting Point
- 1,941 K · 1,667.9 °C
- Boiling Point
- 3,560 K · 3,286.9 °C
- Density
- 4.506 g/cm³
- Atomic Radius
- 140 pm
- Electronegativity
- 1.54
- Oxidation States
- +2, +3, +4
- Abundance in Crust
- 5,650 mg/kg
- Discovered
- 1791
- Discovered By
- William Gregor
Electron Configuration
[Ar] 3d2 4s2
1s2 2s2 2p6 3s2 3p6 4s2 3d2
Ionisation Energies (kJ/mol)
- 1. 658.8
- 2. 1,309.8
- 3. 2,652.5
- 4. 4,174.6
- 5. 9,581
- 6. 11,533
- 7. 13,590
- 8. 16,440
Elements near Titanium
Elements in the same group share the number of outer electrons and behave in similar ways. Elements in the same period share a shell, so they change steadily from left to right.