BrF5
ClF3
XeF4
SF4
R.E.F image(Square Pyramidal) (T-Shape) →One lone pair on central atom (Br) →Two lone pair on central atom (Cl) →Square planar →Two lone pair on central atom (Xe) →One lone pair on central atom (S) Only, CIF3 XeF4 contains two pair of electrons on central atom.