WAEC Chemistry 2024 Objective — Question 34
Question 34 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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34. ₈X²⁻ and ₁₀Y are
- A. isomers
- B. isotopes
- C. allotropes
- D. isoelectronicCorrect
Explanation
₈X²⁻ has 8+2=10 electrons; ₁₀Y has 10 electrons. Species with equal electron counts are isoelectronic.
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