Table of contents

1. Intro to General Chemistry3h 48m
2. Atoms & Elements4h 16m
3. Chemical Reactions4h 10m
4. BONUS: Lab Techniques and Procedures1h 36m
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

Subatomic Particles

General Chemistry

2. Atoms & Elements

Subatomic Particles

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Multiple Choice

Which subatomic particle is mobile in metallic bonding?

Electron

Positron

Proton

Neutron

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Verified step by step guidance

Understand the nature of metallic bonding: In metallic bonding, atoms in a metal lattice share a 'sea' of delocalized electrons. These electrons are not bound to any specific atom and can move freely throughout the metal structure.

Identify the subatomic particles involved: Atoms are composed of protons, neutrons, and electrons. Protons and neutrons are located in the nucleus and are not free to move. Electrons, however, are located in the electron cloud surrounding the nucleus and can be delocalized in metals.

Consider the mobility of each particle: Protons and neutrons are tightly bound in the nucleus and do not move freely. Electrons, on the other hand, are able to move freely in the metallic lattice, contributing to the conductivity and malleability of metals.

Recognize the role of electrons in metallic bonding: The mobility of electrons in the 'sea' allows metals to conduct electricity and heat efficiently. This is a key characteristic of metallic bonding.

Conclude which particle is mobile: Based on the understanding of metallic bonding, the electrons are the subatomic particles that are mobile, allowing for the unique properties of metals.