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

11. Bonding & Molecular Structure

Lewis Dot Structures: Neutral Compounds

General Chemistry

11. Bonding & Molecular Structure

Lewis Dot Structures: Neutral Compounds

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Multiple Choice

Which of the following statements correctly describes the Lewis dot structure of the neutral compound CF3H?

The central carbon atom forms two single bonds with fluorine atoms, one double bond with hydrogen, and has one lone pair.

The central carbon atom forms four single bonds: three with fluorine atoms and one with a hydrogen atom.

The central carbon atom forms four single bonds: two with fluorine atoms, one with hydrogen, and one with oxygen.

The central carbon atom forms three double bonds: one with each fluorine atom, and a single bond with hydrogen.

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Verified step by step guidance

Identify the central atom in the molecule CF3H. Carbon (C) is typically the central atom because it can form four bonds, while fluorine (F) and hydrogen (H) usually form only one bond each.

Determine the total number of valence electrons available. Carbon has 4 valence electrons, each fluorine has 7 valence electrons, and hydrogen has 1 valence electron. Calculate the sum for CF3H.

Use the octet rule to assign bonds. Carbon tends to form four bonds to complete its octet. Each fluorine atom forms one single bond with carbon, and hydrogen forms one single bond with carbon.

Check the bonding and lone pairs. Each fluorine atom will have three lone pairs to complete its octet, carbon will have four single bonds (no lone pairs), and hydrogen will have a single bond (no lone pairs).

Evaluate the given statements against this structure. The correct description is that the central carbon atom forms four single bonds: three with fluorine atoms and one with a hydrogen atom.