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phosphorus trifluoride polar or nonpolar
phosphorus trihydride polar or nonpolar
phosphorus trichloride polar or nonpolar
nitrogen trifluoride polar or nonpolar
phosphorus trifluoride ionic or covalent
phosphorus tribromide polar or nonpolar
chlorine trifluoride polar or nonpolar
phosphorus trifluoride molecular geometry
phosphorus trichloride is a polar molecule
is phosphorus trichloride polar
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