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

What is the correct name for the ionic compound with the formula Si_3N_4?

Silicon nitride

Silicon nitrate

Trisilicon tetranitride

Silicon(IV) nitride

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Verified step by step guidance

Identify the elements present in the compound Si_3N_4. Here, Si is silicon (a metal or metalloid) and N is nitrogen (a nonmetal).

Recognize that this is an ionic compound formed between a metal/metalloid and a nonmetal, so the naming convention involves naming the cation (positive ion) first and the anion (negative ion) second.

For the cation, use the element name 'silicon' without any prefixes or Roman numerals because silicon typically forms a fixed oxidation state in this compound.

For the anion, nitrogen forms the nitride ion, which is named by taking the root of the element name and adding the suffix '-ide', resulting in 'nitride'.

Combine the names of the cation and anion to get the correct name: 'silicon nitride'. Avoid using prefixes or Roman numerals unless the compound is molecular or the metal has multiple oxidation states.