Atomic Symbol: Al
Atomic Number: 13
Atomic Weight: 26.98 g/mol
Isotopes and Abundances: 27Al 100 %, 26Al (short-lived)
1 Atm Melting Point: 660.3 °C
1 Atm Boiling Point: 2519 °C
Common Valences: 3+
Ionic Radii: 53 pm (4-fold); 67.5 pm (6-fold)
Pauling Electronegativity: 1.61
First Ionization Energy: 577.5 kJ/mol
Chondritic (CI) Abundance: 0.84 %
Silicate Earth Abundance: ~2.3 %
Crustal Abundance: 8.45 %
Seawater Abundance: 1–2 × 10−9 kg/L
Core Abundance: ~0
McDonough and Sun (1995)
Rudnick and Gao (2014)
Properties
A metallic element that is silver-white in color, weighs less, does not readily oxidize, i.e., resistant to corrosion, ductile, malleable, and is a good electrical conductor. The metal occurs as oxides, hydroxides, and aluminosilicate minerals in the Earth’s crust.
History and Use
In 1825, Danish physicist Hans Christian Oersted obtained aluminum by heating aluminum chloride with potassium. However the aluminum was impure. In 1827, German chemist...
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Mookherjee, M. (2016). Aluminum. In: White, W. (eds) Encyclopedia of Geochemistry. Encyclopedia of Earth Sciences Series. Springer, Cham. https://doi.org/10.1007/978-3-319-39193-9_214-1
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