The number of molecule(s) or ion(s) from the following having non-planar structure is _____. NO−3, H2O2, BF3, PCl3, XeF4, SF4, XeO3, PH+4, SO3, [Al(OH)4]−
why the following molecules do not obey octet rule?
SO2, SF4, NO2, SO3. NO , ,BF3, PCl3