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

After drawing the Lewis structure of dichlorodifluoromethane (CCl2F2), what is the molecular shape around the central carbon atom?

Bent

Tetrahedral

Trigonal planar

Linear

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Verified step by step guidance

Identify the central atom in dichlorodifluoromethane (CCl2F2), which is carbon (C).

Draw the Lewis structure by placing the carbon atom in the center and connecting it to two chlorine (Cl) atoms and two fluorine (F) atoms with single bonds.

Count the number of regions of electron density (bonding pairs and lone pairs) around the central carbon atom. Since carbon forms four single bonds and has no lone pairs, there are four regions of electron density.

Use the VSEPR (Valence Shell Electron Pair Repulsion) theory to determine the molecular geometry. Four regions of electron density around a central atom with no lone pairs arrange themselves to minimize repulsion, resulting in a tetrahedral shape.

Conclude that the molecular shape around the central carbon atom in CCl2F2 is tetrahedral.