Question

An element X (2,8,2) combines separately with SO₄^2- , PO₄^3- radicals.

(i) Write the formulae of the two compounds so formed.

(ii) To which group of the modern periodic table does the element X belong ?

(iii) Will it form covalent or ionic compound ? Give reasons.

Answer 1

(i) Formulae of these compounds are XSO₄, X₃(PO₄)₂.

(ii) It belongs to Group 2^nd and 3^rd period.

(iii) It will form ionic compounds as it can lose two electrons to acquire stable electronic configuration