We’re being asked to determine which among the given covalent bonds is the least polar (but not non-polar). A covalent bond is formed by the sharing of electrons by two non-metals.
Recall that for a covalent bond to be:
• Polar: electronegativity difference must be greater than 0.5
• Non-polar: electronegativity difference must be less than 0.5
The lower the electronegativity difference, the less polar a bond is.
Which of the following bonds is the least polar covalent (but not non-polar covalent bond)?
a. O - O
b. O - F
c. I - F
d. Br - F
e. Na - F
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