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Question
Which of the following elements can show covalency greater than 4?
(i) Be
(ii) P
(iii) S
(iv) B
Solution
(ii) P
(iii) S
Explanation:
P and S have d-orbitals in their valence shell and therefore, can accommodate more than 8. electrons in their respective valence shells. Hence they show covalency more than 4.
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