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 about Lewis dot structures for neutral compounds is false?

The total number of electrons shown in the Lewis structure equals the sum of the valence electrons for all atoms in the compound.

Lewis structures for neutral compounds always show every atom with a complete octet.

Single, double, and triple bonds are represented by one, two, or three lines, respectively, between atoms.

All valence electrons of the atoms are represented as dots or lines in the Lewis structure.

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Verified step by step guidance

Step 1: Understand what a Lewis dot structure represents. It is a diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist.

Step 2: Recall that for neutral compounds, the total number of electrons shown in the Lewis structure must equal the sum of the valence electrons of all atoms involved. This ensures electron count consistency.

Step 3: Recognize that single, double, and triple bonds are depicted by one, two, or three lines respectively between atoms, representing shared pairs of electrons.

Step 4: Know that all valence electrons, whether involved in bonding or as lone pairs, are represented as dots or lines in the Lewis structure to fully depict electron distribution.

Step 5: Evaluate the statement about every atom having a complete octet. While many atoms follow the octet rule, there are exceptions (such as hydrogen, boron, and molecules with expanded octets), so the statement that Lewis structures for neutral compounds always show every atom with a complete octet is false.