Table of contents

1. Intro to General Chemistry3h 48m
2. Atoms & Elements4h 16m
3. Chemical Reactions4h 10m
4. BONUS: Lab Techniques and Procedures1h 38m
5. BONUS: Mathematical Operations and Functions48m
6. Chemical Quantities & Aqueous Reactions3h 53m
7. Gases3h 49m
8. Thermochemistry2h 37m
9. Quantum Mechanics2h 58m
10. Periodic Properties of the Elements3h 9m
11. Bonding & Molecular Structure3h 29m
12. Molecular Shapes & Valence Bond Theory1h 57m
13. Liquids, Solids & Intermolecular Forces2h 23m
14. Solutions3h 1m
15. Chemical Kinetics2h 53m
16. Chemical Equilibrium2h 29m
17. Acid and Base Equilibrium5h 1m
18. Aqueous Equilibrium4h 47m
19. Chemical Thermodynamics1h 50m
20. Electrochemistry2h 42m
21. Nuclear Chemistry2h 36m
22. Organic Chemistry5h 7m
23. Chemistry of the Nonmetals2h 39m
24. Transition Metals and Coordination Compounds3h 16m

13. Liquids, Solids & Intermolecular Forces

Molecular Polarity

General Chemistry

13. Liquids, Solids & Intermolecular Forces

Molecular Polarity

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Multiple Choice

Which of the following statements about nonpolar molecules is true?

Nonpolar molecules cannot participate in London dispersion forces.

Nonpolar molecules have an even distribution of electron density and do not possess a permanent dipole moment.

Nonpolar molecules always contain only nonmetal atoms.

Nonpolar molecules are always gases at room temperature.

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Verified step by step guidance

Step 1: Understand what a nonpolar molecule is. Nonpolar molecules have an even distribution of electron density, meaning the electrons are shared equally between atoms, resulting in no permanent dipole moment.

Step 2: Analyze the first statement: 'Nonpolar molecules cannot participate in London dispersion forces.' This is false because London dispersion forces are present in all molecules, including nonpolar ones, due to temporary fluctuations in electron density.

Step 3: Consider the second statement: 'Nonpolar molecules have an even distribution of electron density and do not possess a permanent dipole moment.' This aligns with the definition of nonpolar molecules and is true.

Step 4: Evaluate the third statement: 'Nonpolar molecules always contain only nonmetal atoms.' This is incorrect because polarity depends on the distribution of electrons, not just the types of atoms; some nonpolar molecules can contain metals or metalloids in certain contexts.

Step 5: Review the fourth statement: 'Nonpolar molecules are always gases at room temperature.' This is false because nonpolar molecules can be solids, liquids, or gases at room temperature depending on their molecular size and intermolecular forces.