Question

Write the formula of the compound which is made up of the following ions :
(i) Na+ and SO2–
(ii) Pb2+ and PO3– 4
(iii) Ba2+ and SO2– 4
(iv) Ca2+ and Cl–

Answer 1

Answer:

(i) Na2SO4

(iii) BaSO4

(iv) CaCl2

Answer 2

Answer:

(i) Na2SO4

(ii) Pb3(PO4)²

(iii) BaSO4

(iv) CaCl2