A. Na and F
B. Na and CI
C. Na and Br
D. Na and I

Correct Answer:

Option A – Na and F

Explanation

– sodium has an electronegativity of 0.93

– Hence; sodium and fluorine have the highest difference.

Fluorine 4.0
Chlorine 3.0
Bromine 2.8
Iodine 2.5

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