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