Which is more metallic: sodium or aluminium?

Aluminium displace iron from iron oxide(Fe_2O_3) giving iron and aluminium oxide. Which is more reactive aluminium or iron ?

From amongest the metals sodium, calcium, aluminium, copper, and magnesium, name the metal which reacts with water only on boiling?

Rashmi added aluminium metal to colourless soluton of zinc sulphate. After half an hour, the solutoin was observed. It was colourless, she recorded her observations in the following statements: No reactions occurred Reaction occurred and aluminium sulphate was formed. Zinc is more reactive than aluminium Aluminium is more reactive than zinc

Although thermodynamically feasible, in practice, magnesium metal is not used for the reduction of alumina in the metallurgy of aluminium. Why ?

which have greater atomic size magnesium or aluminium?

From amongest the metals sodium, calcium, aluminium, copper, and magnesium, name the metal another metal which does not react even with steam.

Name a metal which is extracted by reduction with aluminium powder.

Na and S are present in the third period of modern periodic table which is more metallic and why?