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 best describes the Lewis dot structure for neutral NaCl?

Na and Cl are shown with their valence electrons, and an arrow indicates electron transfer from Na to Cl, resulting in Na^+ and Cl^- ions.

Na and Cl are shown as a double bond with two shared electron pairs.

Na and Cl are connected by a single covalent bond, each sharing one electron.

Na and Cl are shown with all their valence electrons, but no electron transfer or bond is indicated.

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Verified step by step guidance

Step 1: Identify the types of elements involved. Sodium (Na) is a metal and chlorine (Cl) is a nonmetal, which suggests the bond between them is ionic rather than covalent.

Step 2: Determine the valence electrons for each atom. Sodium has 1 valence electron, and chlorine has 7 valence electrons.

Step 3: Understand that in forming NaCl, sodium tends to lose its one valence electron to achieve a stable electron configuration, while chlorine gains one electron to complete its octet.

Step 4: Represent this electron transfer in the Lewis dot structure by showing sodium with its single valence electron and chlorine with seven valence electrons, then use an arrow to indicate the transfer of the electron from sodium to chlorine.

Step 5: After the electron transfer, show sodium as Na⁺ (with no valence electrons) and chlorine as Cl⁻ (with a full octet of eight electrons), indicating the formation of ions and the ionic bond between them.