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ionic, because they're on opposite sides of the periodic table. same side=covalent, opposite=ionic.
MgBr2 magnesium bromide is ionic
Beryllium oxide, BeO, not ionic
Copper bromide is an ionic compound.
Ionic
Ionic
Ionic.
NaBr is an ionic compound. Generally, a metal bonded with a nonmetal forms an ionic compound. Also, the difference in electronegativity between Na and Br is 2.03, which is definitely ionic.
Sodium bromide is an ionic compound held together by strong ionic bonds.
Barium bromide is ionic.
Lead bromide has an ionic bond.
The ionic compound calcium bromide is CaBr2.