Multiple choice Which one of the following statements is false regarding group 14 elements? The stability of + 4 oxidation state decreases down the group. The stability of + 2 oxidation state increases down the group. General electronic configuration: ns2 np6. All the elements of group 14 can exhibit a covalency greater than 4. Power of catenation decreases as we move down the group. Reveal answer Fill a bubble to check yourself D Correct answer Explanation All group 14 elements, except carbon can expand their valenece shell and can exhibit covalency greater than 4.