Question

The atomic number of an element X is 16. The symbol of ion formed by an atom of this element will be:
(a) X²⁺
(b) X³⁺
(c) X²⁻
(d) X⁻

Answer 1

(c) X²⁻
Element X needs 2 electrons to complete its octet. Therefore, it forms X²⁻ anion.