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pbbr4 polar or nonpolar
pbr polar or nonpolar
is pbbr4 ionic or molecular
pbbr4 ionic or covalent
is ibr4- polar or nonpolar
pbr3 polar or nonpolar
sbr4 polar or nonpolar
nabr polar or nonpolar
pbr5 polar or non-polar
cbr4 polar or nonpolar
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