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Titanium
Chemical Properties & Compounds
| Symbol | Atomic Number | Atomic Weight | Melting Point | Boiling Point | Phase | Density | Classification |
| Ti | 22 | 47.867 | 1668 °C | 3287 °C | Solid | 4.506 g/cm3 | Metal |
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| General |
| Name, symbol, number |
titanium, Ti, 22 |
| Chemical series |
transition metals |
| Group, period, block |
4, 4, d |
| Appearance |
silvery metallic
 |
| Standard atomic weight |
47.867(1) g·mol−1 |
| Electron configuration |
[Ar] 3d2 4s2 |
| Electrons per shell |
2, 8, 10, 2 |
| Physical properties |
| Phase |
solid |
| Density (near r.t.) |
4.506 g·cm−3 |
| Liquid density at m.p. |
4.11 g·cm−3 |
| Melting point |
1941 K
(1668 °C, 3034 °F) |
| Boiling point |
3560 K
(3287 °C, 5949 °F) |
| Heat of fusion |
14.15 kJ·mol−1 |
| Heat of vaporization |
425 kJ·mol−1 |
| Heat capacity |
(25 °C) 25.060 J·mol−1·K−1 |
Vapor pressure
| P/Pa |
1 |
10 |
100 |
1 k |
10 k |
100 k |
| at T/K |
1982 |
2171 |
(2403) |
2692 |
3064 |
3558 |
|
| Atomic properties |
| Crystal structure |
hexagonal |
| Oxidation states |
2, 3, 4
(amphoteric oxide) |
| Electronegativity |
1.54 (Pauling scale) |
Ionization energies
(more) |
1st: 658.8 kJ·mol−1 |
| 2nd: 1309.8 kJ·mol−1 |
| 3rd: 2652.5 kJ·mol−1 |
| Atomic radius |
140 pm |
| Atomic radius (calc.) |
176 pm |
| Covalent radius |
136 pm |
| Miscellaneous |
| Magnetic ordering |
paramagnetic |
| Electrical resistivity |
(20 °C) 0.420 µΩ·m |
| Thermal conductivity |
(300 K) 21.9 W·m−1·K−1 |
| Thermal expansion |
(25 °C) 8.6 µm·m−1·K−1 |
| Speed of sound (thin rod) |
(r.t.) 5090 m·s−1 |
| Young's modulus |
116 GPa |
| Shear modulus |
44 GPa |
| Bulk modulus |
110 GPa |
| Poisson ratio |
0.32 |
| Mohs hardness |
6.0 |
| Vickers hardness |
970 MPa |
| Brinell hardness |
716 MPa |
| CAS registry number |
7440-32-6 |
| Selected isotopes |
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| References |
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Titanium Supplies
Titanium Plate Titanium Plate and Titanium Sheet in a wide variety of grades and specifications.
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Source: Wikipedia article Titanium
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Chemistry Quick Facts
