Question

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 XCl3
The correct statements(s) is/are
A) only (A)
B) only (B)
C) (A) and (C)
D) (A),(B) and (C)

Answer 1

Answer:

(D) is the correct answer.

Answer 2

Answer:

A) aluminum has valency 3

B)it forms amphoteric oxide

C) its chloride formula= AlCl₃

So, D is correct