Molecular Polarity Assessment
Evaluate your understanding of molecular polarity concepts and applications.
Full Name
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First Name
Last Name
Email Address
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example@example.com
Select the correct statement about molecular polarity.
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A molecule is polar if it has an uneven distribution of electron density.
All molecules with polar bonds are always polar.
Nonpolar molecules cannot have polar bonds.
Other (please specify)
For each molecule listed below, indicate whether it is polar or nonpolar.
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Rows
Polarity
Water (Hâ‚‚O)
Polar
Nonpolar
Carbon dioxide (COâ‚‚)
Polar
Nonpolar
Ammonia (NH₃)
Polar
Nonpolar
Methane (CHâ‚„)
Polar
Nonpolar
Sulfur dioxide (SOâ‚‚)
Polar
Nonpolar
How confident are you in your ability to determine molecular polarity?
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5
Which factors influence whether a molecule is polar or nonpolar? (Select all that apply)
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Electronegativity difference
Molecular geometry
Atomic mass
Presence of lone pairs
Other
Rate your agreement with the following statements about molecular polarity.
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Rows
Strongly Disagree
Disagree
Neutral
Agree
Strongly Agree
Molecular shape affects polarity.
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5
A molecule with polar bonds is always polar.
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Lone pairs on the central atom can influence polarity.
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Symmetrical molecules are usually nonpolar.
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Explain, in your own words, why carbon dioxide (COâ‚‚) is considered nonpolar even though it contains polar bonds.
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Which of the following substances would you expect to have the highest boiling point?
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Water (Hâ‚‚O)
Methane (CHâ‚„)
Carbon dioxide (COâ‚‚)
Ammonia (NH₃)
Other (please specify)
Describe a real-world application where understanding molecular polarity is important.
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