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) Covalent compound will be formed between group 14 and group 17 elements. i.e. B and C
(B) Ionic compound will be formed by group 1 and group 17 elements. i.e. A and C