Elements belonging to which groups of the periodic table combinewith each other to form electrovalent compounds?

Elements belonging to which groups of the periodic table combinewith e

1.	Elements belonging to which groups of the periodic table combinewith each other to form electrovalent compounds?
Answer» SOLUTION :Highly electropositive metals of groups-1 and 2 COMBINE with the electronegative ELEMENTS of groups-15, 16 and 17 to form electrovalent COMPOUNDS.