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

Previous problemNext problem

Struggling with General Chemistry?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

Which of the following best describes the Lewis dot structure of the neutral compound C3H6?

Three carbon atoms connected in a ring, each bonded to two hydrogens.

Three carbon atoms connected in a chain with all single bonds, and each carbon bonded to two hydrogens.

Three carbon atoms connected in a chain with a triple bond between two carbons, and each carbon bonded to enough hydrogens to satisfy the octet rule.

Three carbon atoms connected in a chain with a double bond between two carbons, and each carbon bonded to enough hydrogens to satisfy the octet rule.

Previous problemNext problem

Verified step by step guidance

Step 1: Determine the molecular formula and the number of valence electrons. For C3H6, carbon has 4 valence electrons and hydrogen has 1 valence electron. Calculate the total valence electrons: $3 \times 4 + 6 \times 1 = 18$ electrons.

Step 2: Consider possible structural arrangements for C3H6. The options include a ring structure, a chain with all single bonds, a chain with a triple bond, or a chain with a double bond. Each structure must satisfy the octet rule for carbon atoms.

Step 3: Analyze the bonding requirements for each carbon atom in the proposed structures. Remember that carbon typically forms 4 bonds to complete its octet, and hydrogen forms only 1 bond.

Step 4: Evaluate the double bond scenario: a chain of three carbons with a double bond between two carbons. Assign hydrogens to each carbon so that each carbon has a total of 4 bonds (counting bonds to other carbons and hydrogens).

Step 5: Confirm that the total number of bonds and hydrogens matches the molecular formula C3H6 and that all atoms satisfy the octet rule. This structure best fits the description and the valence electron count.