Table of contents

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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

Why do some ionic compound names include Roman numerals in their names?

To distinguish between ionic and covalent compounds

To specify the total number of ions present in the formula unit

To show the number of atoms of each element in the compound

To indicate the charge of a metal cation that can have more than one possible oxidation state

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Verified step by step guidance

Understand that some metals can form more than one type of positive ion (cation) with different charges, known as oxidation states.

Recognize that when naming ionic compounds containing such metals, it is important to specify which charge the metal ion has in that particular compound to avoid ambiguity.

Roman numerals are used in the name of the compound immediately after the metal's name to indicate the charge (oxidation state) of the metal cation.

This naming convention helps distinguish between different ionic compounds formed by the same metal but with different charges, for example, Fe(II) versus Fe(III).

Note that this use of Roman numerals is specific to metals with multiple oxidation states and is not used to indicate the number of atoms or ions in the compound.