QQuestionChemistry
QuestionChemistry
Identify the following compounds as polar covalent or nonpolar covalent:
HBr, Cl^2, and H^2O.
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Answer
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Step 1
To identify whether a compound is polar or nonpolar covalent, we need to determine if the electrons are shared equally or unequally between the atoms. This depends on the difference in electronegativity between the atoms.
Step 2
For HBr, the electronegativity difference between Hydrogen and Bromine is about 0.9 (on a scale where the maximum difference is 2.1). Since the difference is relatively large, the electrons will be shared unequally, making HBr a polar covalent compound.
Final Answer
HBr is a polar covalent compound, Cl^2 is a nonpolar covalent compound, and H^2O is a polar covalent compound.
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