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|
| General |
| Lagyu, Symbulu, Numeru |
aluminium, Al, 13 |
| Chemical series | poor metals |
| Lupung, Period, Bloki |
13, 3, p |
| Itsura | silvery
 |
| Standard atomic weight | 26.9815386(8) g·mol−1 |
| Electron configuration | [Ne] 3s2 3p1 |
| Electrons per shell | 2, 8, 3 |
| Physical properties |
| Phase | solid |
| Density (near r.t.) | 2.70 g·cm−3 |
| Liquid density at m.p. | 2.375 g·cm−3 |
| Melting point | 933.47 K
(660.32 °C, 1220.58 °F) |
| Boiling point | 2792 K
(2519 °C, 4566 °F) |
| Heat of fusion | 10.71 kJ·mol−1 |
| Heat of vaporization | 294.0 kJ·mol−1 |
| Heat capacity | (25 °C) 24.200 J·mol−1·K−1 |
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| Atomic properties |
| Crystal structure | face centered cubic
0.4032 nm |
| Oxidation states | 3
(amphoteric oxide) |
| Electronegativity | 1.61 (Pauling scale) |
Ionization energies
(more) |
1st: 577.5 kJ·mol−1 |
| 2nd: 1816.7 kJ·mol−1 |
| 3rd: 2744.8 kJ·mol−1 |
| Atomic radius | 125 pm |
| Atomic radius (calc.) | 118 pm |
| Covalent radius | 118 pm |
| Miscellaneous |
| Magnetic ordering | paramagnetic |
| Electrical resistivity | (20 °C) 26.50 nΩ·m |
| Thermal conductivity | (300 K) 237 W·m−1·K−1 |
| Thermal expansion | (25 °C) 23.1 µm·m−1·K−1 |
| Speed of sound (thin rod) | (r.t.) (rolled) 5000 m·s−1 |
| Young's modulus | 70 GPa |
| Shear modulus | 26 GPa |
| Bulk modulus | 76 GPa |
| Poisson ratio | 0.35 |
| Mohs hardness | 2.75 |
| Vickers hardness | 167 MPa |
| Brinell hardness | 245 MPa |
| CAS registry number | 7429-90-5 |
| Selected isotopes |
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| References |
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