Tabla

Electronic ConfigurationNe 3s2 3p1

Melting Point660.5°C

Boiling Point2467°C

Density2.6989g cm⁻³

Description

Silvery-white lustrous metallic element of group 3 of the periodic table. Highly reactive but protected by a thin transparent layer of the oxide which quickly forms in air. There are many alloys of Aluminum, as well as a good number of industrial uses. Makes up 8.1% of the Earth's crust, by weight. Isolated in 1825 by H.C. Oersted.

Covalent Radius126pm

Double113pm

Triple111pm

Ionisation Energies

Oxidation States0, +3

Uses

Used for many purposes from airplanes to beverage cans. Too soft in its pure form so less than 1% of Silicon or Iron is added, which hardens and strengthens it.

Electron Affinity41.762kJ mol⁻¹

Electronegativity1.61PAULING

Atomic Volume10cm³ mol⁻¹

Atomic Radius143pm

Metallic Radius125pm

Van Der Waals Radius184pm

Sources

Never occurs in free form. Obtained by electrolysis from bauxite (Al₂O₃).

Discovery

Discovered in 1825 by Hans Christian Oersted in Denmark

Name Origin

Latin: alumen, aluminis, (alum).

CAS7429-90-5

Crust Abundance8.23x10⁴mg kg⁻¹

Sea Abundance0.002mg dm⁻³

Enthalpy of Vapourisation 284.1kJ mol⁻¹

Enthalpy of Fusion10.75kJ mol⁻¹

Enthalpy of Formation330.9kJ mol⁻¹

Specific Heat - 20°C0.9J (g ⋅ K)⁻¹

Thermal Conductivity237W (m ⋅ K)⁻¹

Isotope	Abundance	Half Life
27Al	100%	-

https://reuben.science

https://github.com/reubn/tabla

Using data from mendeleev.

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