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is br ionic or covalent
is kbr ionic or covalent bond
is br and br covalent
is k and br ionic or covalent
is br2 ionic or covalent
na and br ionic covalent
is brcl ionic or covalent
is ibr ionic or covalent
is br-br polar or nonpolar or ionic
is br2o5 ionic or covalent
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