Question

The atomic number of an element X is 16. The symbol of ion formed by an atom of the symbol of ion formed by an atom of this element will be:
(a) $X^{3-}$

(b) $X_{2+}$

(c) $X^{2-}$

(d) $X^{-}$

Answer 1

(c)$X^{2-}$

Element X needs 2 electrons to complete its octet. Therefore, it forms $X^{2-}$ anion.