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

1. Intro to General Chemistry

Classification of Matter

General Chemistry

1. Intro to General Chemistry

Classification of Matter

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Multiple Choice

Which statement best describes the difference between an element and a compound, and how they are similar?

Elements can be separated into simpler substances by chemical means, but compounds cannot.

An element consists of only one type of atom, while a compound consists of two or more different elements chemically combined; both are pure substances.

Both elements and compounds are mixtures of different substances.

Elements and compounds both contain only one type of atom.

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Verified step by step guidance

Step 1: Understand the definition of an element. An element is a pure substance that consists of only one type of atom. It cannot be broken down into simpler substances by chemical means.

Step 2: Understand the definition of a compound. A compound is a pure substance formed when two or more different elements are chemically combined in fixed proportions. Compounds can be broken down into simpler substances (elements) by chemical means.

Step 3: Identify the similarity between elements and compounds. Both are pure substances, meaning they have a uniform and definite composition throughout.

Step 4: Analyze the given statements to see which correctly describes the difference and similarity. The correct statement should mention that elements consist of one type of atom, compounds consist of two or more different elements chemically combined, and both are pure substances.

Step 5: Conclude that the correct description is: 'An element consists of only one type of atom, while a compound consists of two or more different elements chemically combined; both are pure substances.'