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

3. Chemical Reactions

Naming Ionic Compounds

General Chemistry

3. Chemical Reactions

Naming Ionic Compounds

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Multiple Choice

Which of the following is a valid ionic compound?

NaCl

CH4

CO2

H2O

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Verified step by step guidance

Step 1: Understand what an ionic compound is. Ionic compounds are formed from the electrostatic attraction between positively charged ions (cations) and negatively charged ions (anions). Typically, these involve a metal and a nonmetal.

Step 2: Analyze each given compound to determine if it contains ions. For example, NaCl consists of Na⁺ (a metal cation) and Cl⁻ (a nonmetal anion), which form an ionic bond.

Step 3: Check the other compounds: CH₄ (methane), CO₂ (carbon dioxide), and H₂O (water) are all composed of nonmetals bonded covalently, meaning they share electrons rather than transfer them to form ions.

Step 4: Conclude that only NaCl fits the definition of an ionic compound because it is formed from a metal and a nonmetal with ionic bonds.

Step 5: Remember that ionic compounds generally have high melting points and conduct electricity when molten or dissolved in water, which is consistent with NaCl's properties.