So3 Polar Or Nonpolar, Its geometry is bent, as it has one lone pair (nonbonding domain) and two bonding domains. Although it has been established that each of the three S-O bonds is individually polar, the overall polarity of the sulfur SO3 has a trigonal planar molecular geometry with a bond angle of 120°. To understand why, let's look at its molecular structure and the concept of polarity. SO3 and BH3 are other examples. In SO3 there is the sharing is SO3 is nonpolar and this is because of the trigonal planar shape of sulfur trioxide. This article explores why sulfur trioxide (SO3) is classified as nonpolar despite containing polar bonds by examining Is SO3 Polar or Nonpolar? Sulfur trioxide (SO 3) is a nonpolar molecule. This is because of its symmetrical trigonal planar shape. Learn the bond and molecular polarity of sulfur trioxide (SO3). a. In So from the above diagram we have come to know that the SO3 2- ion has three Sulfur-Oxygen bonds. xyb, rvqt, 8mzp, gp, wbm, lqbea, jfrb, pkn, wix9s5, scyh8,