Hydrogen bromide has the formula HBr.
One electron from each atom is involved in the formation of a chemical bond. Both atoms are non-metals, having different electronegativity. Consequently, the electron density is shifted towards the more electronegative element – bromine. A partially positive charge is formed on hydrogen, and partially negative on bromine. Those. polarity appears in the molecule.
HBr is a covalent polar bond.
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