Consider the following statements about an element ‘X’ with number of protons 13.(A) It forms amphoteric oxide(B) Its valency is three(C) The formula of its chloride is XCl₃The correct statements(s) is/are(a) only (A) (b) only (B)(c) (A) and (C) (d) (A), (B) and (C)

Correct Answer: (d) (A), (B) and (C)

Explanation: The element that has atomic number 13 is Aluminium. Aluminium has a valency of 3. It forms amphoteric oxide. Its chloride formula is AlCl₃. Hence, (d) is the correct option.