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WAEC Chemistry 2024 Objective — Question 33

Question 33 of 50 from the West African Examinations Council (WAEC) Chemistry 2024 Objective paper, with the correct answer and a full explanation.

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33. Pairs of outermost shell electrons which are not used in bonding are

  • A. lone pairsCorrect
  • B. bonding pairs
  • C. valence electrons
  • D. electrovalent electrons

Explanation

Lone pairs are valence electron pairs not involved in bonding; they influence molecular shape and reactivity.

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