JEE Main 202118 Mar, Evening shiftChemistryMediumChemical Bonding and Molecular Structure142× since 2002
The number of species below that have two lone pairs of electrons in their central atom is _________. (Round off to the Nearest Integer).
SF₄, BF, ClF₃, AsF₃, PCl₅, BrF₅, XeF₄, SF₆