Al - the metal located in III group of
periodic system of elements of Mendeleyev.

Number in periodic system - 13

Nuclear weight - 26,98154.

Density - 2.699 g/cm³

Melting temperature - 660° C

Documentary fixed discovery of aluminium has taken place in 1825. For the first time this metal was produced by Danish physicist Hans Hristian Ersted.

Aluminium over 99,99 % for the first time has been produced by electrolysis in 1920.