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

2. Atoms & Elements

Periodic Table: Group Names

General Chemistry

2. Atoms & Elements

Periodic Table: Group Names

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Multiple Choice

Given a portion of the periodic table, which of the following elements would have chemical properties most similar to sulfur?

Oxygen (O)

Selenium (Se)

Phosphorus (P)

Chlorine (Cl)

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Verified step by step guidance

Identify the group (column) in the periodic table where sulfur (S) is located. Sulfur is in Group 16, also known as the chalcogens.

Recall that elements in the same group have similar chemical properties because they have the same number of valence electrons.

Look at the given elements and determine which ones are in Group 16: Oxygen (O) and Selenium (Se) are in Group 16, while Phosphorus (P) is in Group 15 and Chlorine (Cl) is in Group 17.

Compare the positions: Selenium (Se) is directly below sulfur in Group 16, meaning it has the same valence electron configuration and similar chemical behavior.

Conclude that Selenium (Se) would have chemical properties most similar to sulfur due to its position in the same group and similar valence electron structure.