Properties of the elements are given below. Where would you locate the following elements in the periodic table?
An element whose thin oxide layer is used to make other elements corrosion resistant by the process of ''anodising''.

Explanation

Aluminium metal is used to make other elements corrosion resistant by the process of "anodising". The oxide layer is of `AI_(2) O_(3)`. The atomic number of aluminium is 13 and it is placed in group 13 and period 3 of periodic table.