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 BrCl_5?

BrCl_5 has a central Cl atom surrounded by five Br atoms, with one lone pair on Cl.

BrCl_5 has a central Br atom surrounded by five Cl atoms, with two lone pairs on Br.

BrCl_5 has a central Br atom surrounded by five Cl atoms, with one lone pair on Br.

BrCl_5 has a central Br atom surrounded by five Cl atoms, with no lone pairs on Br.

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Verified step by step guidance

Identify the central atom in the molecule BrCl_5 by considering electronegativity and bonding capacity. Typically, the less electronegative atom is the central atom, so compare bromine (Br) and chlorine (Cl).

Determine the total number of valence electrons available for bonding. Bromine has 7 valence electrons, and each chlorine atom also has 7 valence electrons. Calculate the total by adding the valence electrons of Br and 5 Cl atoms.

Draw a skeletal structure with the central atom connected to the surrounding atoms by single bonds. Place Br in the center and connect it to the five Cl atoms with single bonds.

Distribute the remaining valence electrons to satisfy the octet rule for each atom. Start by completing the octets of the outer Cl atoms, then place any leftover electrons on the central Br atom as lone pairs.

Count the number of lone pairs on the central atom after bonding. This will help confirm the correct Lewis structure and verify which statement about lone pairs and atom arrangement is accurate.