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 atoms is shown with a valid Lewis dot structure for a neutral compound?

Fluorine atom with five dots arranged as two pairs and one single electron

Carbon atom with seven dots arranged as three pairs and one single electron

Nitrogen atom with eight dots arranged as four pairs

Oxygen atom with six dots arranged as two pairs and two single electrons

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Verified step by step guidance

Recall that a valid Lewis dot structure for a neutral atom shows the valence electrons as dots around the element's symbol, with a maximum of eight dots representing the octet rule (except for hydrogen).

Determine the number of valence electrons for each atom: Fluorine has 7, Carbon has 4, Nitrogen has 5, and Oxygen has 6 valence electrons.

Check the arrangement of dots for each atom to see if it matches the number of valence electrons and follows the typical pattern of pairing electrons after single dots are placed around the atom.

For Fluorine with five dots, verify if it correctly shows 7 valence electrons (it should have 7 dots, not 5). For Carbon with seven dots, check if it correctly shows 4 valence electrons (7 dots is incorrect). For Nitrogen with eight dots, check if it correctly shows 5 valence electrons (8 dots is too many).

For Oxygen with six dots arranged as two pairs and two single electrons, confirm that this matches the 6 valence electrons of oxygen and follows the correct Lewis structure pattern, making it the valid Lewis dot structure for a neutral atom.