Details : Item 215

Alkali metals
Alkaline earth metal
Transition metals I
Transition metals II
Transition metals III
Transition metals IV
Post-transition metal
Diatomic non-metal
Noble gas

Famille : Post-transition metal/2
Symbol: Al, phase: solid, silvery gray metallic. By mass
aluminium makes up about 8% of the Earth. Remarkable
for its low density and ability to resist corrosion.
Aluminium & its alloys are vital to the aerospace industry.
Atomic number13
Atomic weight26.981
Melting point (K)933.47
Boiling point (K)2743
Speed of sound (m/s)5000
Discovery1824 (H.C Orsted)