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 represents the correct Lewis dot structure for neutral FeBr compound?

Fe with six dots and Br with one dot, connected by a single bond

Fe with eight dots and Br with no dots, connected by a double bond

Fe with two dots and Br with seven dots, connected by a triple bond

Fe with no dots and two Br atoms, each with six dots, both connected to Fe by single bonds

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Verified step by step guidance

Step 1: Identify the elements involved and their valence electrons. Iron (Fe) is a transition metal and typically does not follow the octet rule strictly, while bromine (Br) is a halogen with 7 valence electrons.

Step 2: Determine the total number of valence electrons available for bonding. For FeBr, consider Fe's valence electrons (commonly 2 or more depending on oxidation state) and Br's 7 valence electrons each.

Step 3: Consider the typical bonding patterns. Bromine usually forms one single bond to complete its octet, and Fe can form multiple bonds with halogens, often coordinating with two Br atoms in a neutral compound.

Step 4: Draw the Lewis structure with Fe in the center bonded to two Br atoms, each Br having six dots (three lone pairs) to complete their octets, and Fe having no lone pairs but forming two single bonds with the Br atoms.

Step 5: Verify that the overall structure is neutral and that each atom satisfies its typical valence requirements: Br atoms have full octets, and Fe is bonded appropriately without extra lone pairs.