(a) Is the molecule BF3 polar or nonpolar? (b) If you react BF3 to make the ion BF3?, is this ion planar? (c) Does the mole- cule BF2Cl have a dipole moment? 9.51 Indicate the hybridization of the central atom in (a) HS, (b) SeF, (c) P(OH)3, (d) Allz.