13Al26.982
Aluminium
Post-transition metal · element 13 · group 13, period 3
Quick facts
| Symbol | Al |
|---|---|
| Atomic number | 13 |
| Relative atomic mass | 26.982 |
| Category | Post-transition metal |
| Position | group 13, period 3 |
| State at 20 °C | Solid |
| Melting point | 660.3 °C |
| Boiling point | 2,519 °C |
| Density | 2.7 g/cm³ |
| Electronegativity | 1.61 |
| Electron configuration | [Ne] 3s2 3p1 |
About Aluminium
Aluminium has the symbol Al and atomic number 13, which means every aluminium atom has 13 protons in its nucleus and, in a neutral atom, 13 electrons. At room temperature it is a solid.
Post-transition metals are softer metals found to the right of the transition metals, with lower melting points.
It melts at 660.3 °C and boils at 2,519 °C.
Explore it
See where aluminium sits, and drag the temperature slider to watch it melt and boil, on the interactive periodic table. Practise with quizzes on OmniEx.