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 is the correct Lewis dot structure for a neutral chlorine molecule (Cl2)?

Cl:Cl (each Cl atom has three lone pairs and shares one pair of electrons between them)

Cl=Cl (each Cl atom has three lone pairs and shares two pairs of electrons between them)

Cl-Cl (each Cl atom has two lone pairs and shares two pairs of electrons between them)

Cl:Cl: (each Cl atom has four lone pairs and shares no electrons)

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Verified step by step guidance

Step 1: Understand that a chlorine molecule (Cl\_2) consists of two chlorine atoms bonded together, and the molecule is neutral overall.

Step 2: Recall that each chlorine atom has 7 valence electrons, so together they have 14 valence electrons to distribute in the Lewis structure.

Step 3: Determine how the atoms share electrons to form a bond. Since chlorine atoms typically form a single bond, they share one pair of electrons (2 electrons) between them.

Step 4: Assign the remaining electrons as lone pairs on each chlorine atom. After sharing one pair, each chlorine atom should have 3 lone pairs (6 electrons) to complete its octet.

Step 5: Verify that each chlorine atom has a full octet (8 electrons total: 6 from lone pairs + 2 from the shared bond) and that the molecule is neutral, confirming the correct Lewis structure is Cl:Cl with three lone pairs on each atom and a single bond between them.