WAEC Chemistry 2020 Objective — Question 16
Question 16 of 50 from the West African Examinations Council (WAEC) Chemistry 2020 Objective paper, with the correct answer and a full explanation.
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Which of the following pairs of elements has the greatest difference in electronegativity?
- A. Na and FCorrect
- B. Na and Cl
- C. Na and Br
- D. Na and I
Explanation
Since fluorine is the most electronegative element, the pair Na and F will have the greatest difference in electronegativity.
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