(From the
Latin alumen, "
alum") A
silvery, lightweight, easily worked,
metallic chemical element that resists
corrosion and is found abundantly, but only in
combination.
Symbol: Al
Atomic number: 13
Atomic weight: 26.981538
Density (at room temperature and pressure): 2.70 g/cc
Melting point: 660.32°C
Boiling point: 2,519°C
Valence: +3
Ground state electron configuration: [Ne]3s23p1