22 - Titanium transition metal
Discovered by William Gregor in 1791
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.
Periodic table
| Shell | Electrons | Orbitals |
|---|---|---|
| 1 | 2 | 2 in 1s |
| 2 | 8 | 2 in 2s + 6 in 2p |
| 3 | 10 | 2 in 3s + 6 in 3p + 2 in 3d |
| 4 | 2 | 2 in 4s |
Electron shells
silvery grey-white metallic Appearance
47.9 u Atomic Mass
1.4 Å Atomic Radius
3.56k K Boiling Point
4 Group
4 Common Oxidation States
1.6 Å Covalent Radius
4.51 g/cm³ Density
7.29 kJ/mol Electron Affinity
1s2 2s2 2p6 3s2 3p6 4s2 3d2 Electron Configuration
[Ar] 3d2 4s2 Electron Configuration (semantic)
1.54 Electronegativity
22 Electrons
6.83 eV First Ionization Energy
2, 3, 4 ICSD Oxidation States
658.8, 1309.8, 2652.5, 4174.6, 9581, 11533, 13590, 16440, 18530, 20833, 25575, 28125, 76015, 83280, 90880, 100700, 109100, 117800, 129900, 137530, 602930, 639294 kJ/mol Ionization Energies
1.93k K Melting Point
51 Mendeleev Number
25.1 J/(mol·K) Molar Heat
4 Number of Shells
26 Neutrons
22 Atomic Number
9 Number of Isotopes
-1, 2, 3, 4 Oxidation States
4 Period
Solid Phase
22 Protons
2, 8, 10, 2 Electron Shell Occupations