QQuestionChemistry
QuestionChemistry
What makes a molecule polar?
A. Nonpolar covalent bonds within the molecule that cancel out
B. Ionic bonds between atoms of different electronegativities
C. Bonds between atoms of the same electronegativity
D. Polar covalent bonds within the molecule that are not symmetric
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Answer
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Step 1I'll solve this problem step by step, focusing on the key concepts of molecular polarity:
Step 2: Understanding Molecular Polarity
Molecular polarity depends on the distribution of electrical charge within a molecule. This is primarily determined by the electronegativity differences between atoms and the molecular geometry.
Final Answer
Polar covalent bonds within the molecule that are not symmetric create molecular polarity. Key Insight: Molecular polarity requires: 1. Polar covalent bonds (electronegativity difference) 2. Asymmetric molecular geometry that prevents bond dipoles from canceling out
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