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 compound SrCl_2?

Strontium chloride

Strontium dichloride

Strontium(II) chloride

Strontium chlorate

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Verified step by step guidance

Identify the elements in the compound SrCl_2. Sr is strontium, a metal, and Cl is chlorine, a nonmetal.

Recognize that SrCl_2 is an ionic compound formed between a metal (strontium) and a nonmetal (chlorine).

Determine the charge on the strontium ion. Strontium is in Group 2 of the periodic table, so it forms a +2 ion, written as Sr^{2+}.

Determine the charge on the chloride ion. Chlorine forms a -1 ion, written as Cl^{-}. Since there are two chloride ions, the total negative charge is 2 × (-1) = -2, balancing the +2 charge from strontium.

Name the compound by stating the metal name first (strontium) followed by the nonmetal with its ending changed to '-ide' (chloride). Since the charges balance without ambiguity, no Roman numeral is needed. Therefore, the correct name is 'strontium chloride'.