The molecule BF3 and NF3 , both are covalent compounds but BF3 is non - polar and NF3 is polar. The reason is that:
Molecular Polarity
Is BF3 Polar or Nonpolar?| BF3 Molecular Geometry – What's Insight
SOLVED: 8.112 Are the following molecules polar or nonpolar? (a) BF3 (c) CH-CIz F H (b) C=c (d) C=C H H
How Is BF3 NonPolar And Why Not Polar, Detailed Facts -
Is bf3 polar or nonpolar? - letsdiskuss
Is BF3 Polar or Nonpolar? - Techiescientist
Ammonia (NH3) is a polar molecule while boron trifluoride (BF3), is a nonpolar molecule. What is the difference in the polarity of these compounds? - Quora