The elements A, B and C belong to groups 1, 14 and 17 respectively of the periodic table.
(a) Which two elements will form a covalent compound?
(b) Which two elements will form an ionic compound?
(a) Elements B and C are nonmetals as they belong to group 14 and 17. Hence, they form covalent bonds as they share electrons during the formation of compounds.
(b) Elements A and C will form ionic bonds as element A is metal and C is a nonmetal both having a valency of 1.
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