Aluminum vs Iron
Pick up to 3 elements and see how they stack up.
| Property | Aluminum | Iron |
|---|---|---|
| Atomic number | 13 | 26 |
| Atomic mass | 26.982 | 55.845 |
| Electronegativity | 1.61 | 1.83 |
| Melting point | 933.47 K (660.3 °C) | 1,811 K (1,537.8 °C) |
| Boiling point | 2,743 K (2,469.8 °C) | 3,134 K (2,860.8 °C) |
| Density | 2.7 g/cm³ | 7.874 g/cm³ |
| Atomic radius | 184 pm | 194 pm |
| Ionization energy | 5.986 eV | 7.902 eV |
| Discovered | 1825 | Ancient |
| Category | Post-transition metal | Transition metal |
| State at room temp. | Solid | Solid |
| Block | p | d |
| Group | 13 | 8 |
| Period | 3 | 4 |
| Valence electrons | 3 | 2 |
| Common charges | +3 | +2, +3 |
| Electron configuration | [Ne] 3s2 3p1 | [Ar] 3d6 4s2 |