Final answer:SeF4 (Selenium tetrafluoride ), SF2 (Sulfur difluoride) and ClO3- (Chlorate) are polarmoleculesbut BrI5 (Bromine pentaiodide) is nonpolar molecule.Explanation:Thepolarityis based on the geometry of the molecule and theelectronegativity of the atoms.SeF4 (Selenium tetrafluoride) is a  polar molecule due to the presence of lone pair electrons on the Selenium atom creating an imbalance of charge.BrI5 (Bromine pentaiodide) is  nonpolar as it is symmetrical and the charge distributes evenly.SF2 (Sulfur difluoride) is a polar molecule because of the bent shape of the molecule that creates a difference in electronegativity.ClO3- (Chlorate ion) is also polar due its symmetrical trigonal pyramid shape with one lone pair which leads to a net dipole moment.Learn more aboutPolarityhere:brainly.com/question/33242453#SPJ11...

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