Properties Online Practice

Complete this assessment to review what you’ve learned. It will not count toward your grade.
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Question
A dispersion force is weaker than a dipole-dipole force. What does this mean about the substances with these forces? (1 point)
Responses

Substances with dispersion forces will be composed of atoms that are heavier than in substances with dipole-dipole forces.
Substances with dispersion forces will be composed of atoms that are heavier than in substances with dipole-dipole forces.

Substances with dispersion forces will have molecules that are farther apart than those in substances with dipole-dipole forces.
Substances with dispersion forces will have molecules that are farther apart than those in substances with dipole-dipole forces.

Substances with dispersion forces will melt at higher temperatures than in substances with dipole-dipole forces.
Substances with dispersion forces will melt at higher temperatures than in substances with dipole-dipole forces.

Substances with dispersion forces will have a lower surface tension than in substances with dipole-dipole forces.
Substances with dispersion forces will have a lower surface tension than in substances with dipole-dipole forces.

The correct answer is: Substances with dispersion forces will have a lower surface tension than in substances with dipole-dipole forces.