Question

Group 2 and Period 3
(c) Group 13 and Period 3
(d) Group 16 and Period 3
OR
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 XCI,
The correct statements(s) is/are
(a) only (A)
(b) only (B)
(c) (A) and (C)
(d) (A), (B) and (C)​

Answer 1

Answer:

A and B statement is correct....

Answer 2

Answer:

A and B statement is correct