An element ‘X’ is forming an acidic oxide. Its position in modern periodic table will be(a) Group 1 and Period 3 (b) Group 2 and Period 3(c) Group 13 and Period 3 (d) Group 16 and Period 3

Correct Answer: (d) Group 16 and Period 3

Explanation: Nonmetals form acidic oxides and are placed in group 16 of the modern periodic table. Group 13 elements like Aluminium mostly form amphoteric oxides. Group 1 and Group 2 elements form basic oxides.