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is o-br polar or nonpolar or ionic
is br polar or nonpolar
br and br polar or nonpolar
br-f polar or nonpolar or ionic
is br2 polar or nonpolar or ionic
br-br polar or nonpolar
is h and br polar or nonpolar
is br2 polar or nonpolar
is br ionic or covalent
br3 polar or nonpolar
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