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 is the correct Lewis dot structure for chloroethylene (C2H3Cl)?

H2C=CHCl, with a double bond between the two carbon atoms, three hydrogens bonded to carbons, and one chlorine bonded to one carbon.

H3C-CHCl, with a single bond between the two carbon atoms, three hydrogens bonded to one carbon, and one chlorine bonded to the other carbon.

ClCH2CH2, with a single bond between the two carbon atoms, two hydrogens bonded to each carbon, and one chlorine bonded to one carbon.

H2C=CHCl, with a double bond between the two carbon atoms, two hydrogens bonded to one carbon, and one chlorine bonded to the other carbon.

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Verified step by step guidance

Identify the molecular formula of chloroethylene, which is C2H3Cl, indicating two carbon atoms, three hydrogen atoms, and one chlorine atom.

Determine the bonding framework by considering the valence electrons and typical bonding patterns: carbon usually forms four bonds, hydrogen forms one bond, and chlorine typically forms one bond with three lone pairs.

Recognize that chloroethylene is an alkene derivative, so expect a double bond between the two carbon atoms to satisfy the valence requirements and the presence of unsaturation.

Assign the hydrogens and chlorine to the carbons such that the total number of bonds per carbon is four, with one carbon bonded to two hydrogens and the other carbon bonded to one hydrogen and one chlorine atom.

Draw the Lewis structure showing a double bond between the two carbons, two hydrogens attached to one carbon, one hydrogen and one chlorine attached to the other carbon, and include lone pairs on chlorine to complete its octet.