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

Chemical Bonds

General Chemistry

11. Bonding & Molecular Structure

Chemical Bonds

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Multiple Choice

Which of the following statements is correct regarding the energy changes involved in chemical bond formation?

When a bond is formed, energy may be released or absorbed, depending on the situation.

Forming a bond may involve different energy considerations.

Energy is always released when a bond is formed.

Energy is always absorbed when a bond is formed.

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Verified step by step guidance

Understand the concept of bond formation: In chemistry, when a chemical bond is formed between atoms, it typically results in a more stable arrangement of electrons. This stability is associated with a release of energy.

Consider the energy changes: When a bond is formed, the system moves to a lower energy state. This means that energy is released to the surroundings, making the process exothermic.

Differentiate between bond formation and bond breaking: Bond formation releases energy, while breaking a bond requires energy input. This is a fundamental concept in thermodynamics and chemical reactions.

Evaluate the given statements: The statement 'Energy is always released when a bond is formed' aligns with the general principle that bond formation is exothermic.

Conclude with the correct understanding: Based on the principles of chemical bonding and energy changes, the correct statement is that energy is always released when a bond is formed.