| Property | Value |
|---|---|
| Atomic number | 13 |
| Atomic weight | 26.98153868 amu |
| Electronic configuration | 1s2 |
| Stable and very long lived isotopes | 27Al: 100% |
| Density | 2.698 g/cm3 (STP) |
| Melting | 660.25 °C |
| Boiling | 2467 °C |
| Covalent radius | 1.18 Å |
| Ionic radius | 0.535 Å |
| First ionization potential | 5.985 eV |
| Electron affinity | -0.446 eV |
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