Are the bonds ionic,nonpolar covalent, or polar covalent? Arrange the substances

Question

Are the bonds ionic,nonpolar covalent, or polar covalent? Arrange the substanceswith polar bonds in order of increasing bond polarity: S8                                     SCl2           RbCl                                    F2 PF3                                                   SF2 Are the bonds ionic,nonpolar covalent, or polar covalent? Arrange the substanceswith polar bonds in order of increasing bond polarity: S8                                     SCl2           RbCl                                    F2 PF3                                                   SF2

Explanation / Answer

S8 : ring of sulfur; each sulfur has 2 single bonds and 2 lonepairs; nonpolar covalent (only london forces) SCl2: 2 bonds and 2 lone pairs (bent like water): polarcovalent SF2: 2 bonds and 2 lone pairs (bent like water): polar covalent RbCl: (one metal and one nonmetal): ionic F2: simple diatomic: nonpolar covalent Polar bonds: SF2

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