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

2. Atoms & Elements

Periodic Table: Group Names

General Chemistry

2. Atoms & Elements

Periodic Table: Group Names

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Multiple Choice

Which of the following elements has chemical properties most similar to polonium?

Sulfur

Bismuth

Oxygen

Selenium

Tellurium

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Verified step by step guidance

Understand that elements in the same group (vertical column) of the periodic table have similar chemical properties because they have the same number of valence electrons.

Locate polonium (Po) on the periodic table; it is in group 16 (the chalcogens) and period 6.

Identify the elements given in the options and find their positions on the periodic table: Sulfur (S) is in group 16, period 3; Oxygen (O) is in group 16, period 2; Selenium (Se) is in group 16, period 4; Tellurium (Te) is in group 16, period 5; Bismuth (Bi) is in group 15, period 6.

Compare the group and period of each element to polonium. Elements in the same group as polonium (group 16) generally have more similar chemical properties than those in different groups.

Note that although bismuth is in the same period as polonium, it is in a different group, so its chemical properties differ more from polonium than those of elements in group 16. Therefore, the element with chemical properties most similar to polonium is the one in group 16 closest to polonium in the periodic table.