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Atomic Profile

Aluminium (Al)

Discover properties, shell configurations, industrial applications, compounds, and historical occurrences of the Aluminium element.

13Al26.982

Physical Properties

Melting Point660.32 °C
Boiling Point2519 °C
Density2.70 g/cm³
Electronegativity1.61
Group / PeriodGroup 13, Period 3
Electronic Config[Ne] 3s² 3p¹
Bohr Shells2, 8, 3

Bohr Electron Model

Visualizing the concentric Bohr orbits and energy level shells for Aluminium.

+13
Shell 1: 2e⁻ | Shell 2: 8e⁻ | Shell 3: 3e⁻

Origin & Abundance

Discovery Details

Discovered by Hans Christian Ørsted in the year 1825.

Natural Occurrence

Most abundant metal in the Earth's crust (8.1%). Extracted from bauxite ore using the Hall-Héroult electrolytic process.

Common Uses & Applications

  • Soda cans and kitchen foil packaging
  • Aircraft fuselage and window frames
  • Transmission lines and wiring
  • Cookware pots and pans

Common Chemical Compounds

Below are typical molecular compounds formed by Aluminium interacting with other elements:

Al₂O₃ (Aluminium Oxide)AlCl₃ (Aluminium Chloride)KAl(SO₄)₂·12H₂O (Alum)

Element Concept Check

Which ore is the primary source of commercial aluminium metal?

Video Lectures & Fact Files

Watch educational lectures detailing the chemical extraction and molecular spectrums of Aluminium.
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