Home 13 Al Aluminium back to the periodic table
 
Atomic number   13
Symbol   Al
Atomic weight   26.981539
Density [g/cm3]   2.70
Melting point [°C]   660.4
Boiling point [°C]   2460
1st Ionization energy [eV]   5.986
Electronic configuration   [Ne] 3s2 3p
Oxidation number (most stable)   3
Atomic radius [pm]   143.1
Ionic radius [pm]   53 (3+)
Abundance in crustal rocks [ppm]   83000
Origin of the name   (lat.) alumen = Alaun
Discovery   1825 by the Danish Christian Oersted
Uses   as a casting material (casting alloy) and for the production of profiles (forgeable alloys).
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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