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 neutral SOCl4?

Sulfur is the central atom, bonded to one oxygen atom and four chlorine atoms, with one lone pair on sulfur.

Sulfur is the central atom, bonded to one oxygen atom and four chlorine atoms, with no lone pairs on sulfur.

Sulfur is the central atom, bonded to two oxygen atoms and two chlorine atoms, with one lone pair on sulfur.

Sulfur is the central atom, bonded to one oxygen atom and four chlorine atoms, with two lone pairs on sulfur.

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Verified step by step guidance

Step 1: Identify the central atom in SOCl4. Sulfur (S) is less electronegative than oxygen (O) and chlorine (Cl), so sulfur will be the central atom.

Step 2: Count the total number of valence electrons. Sulfur has 6 valence electrons, oxygen has 6, and each chlorine has 7. So, total valence electrons = 6 (S) + 6 (O) + 4 × 7 (Cl) = 6 + 6 + 28 = 40 electrons.

Step 3: Draw single bonds from sulfur to each of the surrounding atoms (one oxygen and four chlorines). Each bond uses 2 electrons, so 5 bonds use 10 electrons.

Step 4: Distribute the remaining electrons to satisfy the octet rule for the outer atoms first (oxygen and chlorines). Oxygen typically forms a double bond with sulfur to complete its octet, which affects the electron count around sulfur.

Step 5: After placing bonds and lone pairs on outer atoms, check the electrons around sulfur. Because sulfur can expand its octet, it can accommodate more than 8 electrons, and in SOCl4, sulfur has no lone pairs but forms bonds with one oxygen (double bond) and four chlorines (single bonds).