Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

2. Atoms and the Periodic Table

The Atom (Simplified)

GOB Chemistry

2. Atoms and the Periodic Table

The Atom (Simplified)

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1:42 minutes

Problem 22c

Textbook Question

Is each of the following statements true or false?
c. Neutrons repel each other.

Verified step by step guidance

Understand the nature of neutrons: Neutrons are subatomic particles found in the nucleus of an atom. They are electrically neutral, meaning they have no charge.

Recall the concept of electromagnetic forces: Charged particles interact through electromagnetic forces, which can cause attraction or repulsion. Since neutrons have no charge, they do not experience electromagnetic repulsion or attraction with other neutrons.

Consider the strong nuclear force: Neutrons interact with other neutrons and protons in the nucleus through the strong nuclear force, which is responsible for holding the nucleus together. This force is attractive and acts over very short distances.

Evaluate the statement: Since neutrons do not repel each other (they lack charge and are bound by the attractive strong nuclear force), the statement 'Neutrons repel each other' is false.

Conclude the reasoning: The absence of repulsion between neutrons is due to their neutral charge and the dominance of the strong nuclear force within the nucleus.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Neutrons

Neutrons are subatomic particles found in the nucleus of an atom, alongside protons. They have no electric charge, which distinguishes them from protons, which are positively charged. This lack of charge means that neutrons do not experience electromagnetic forces, allowing them to coexist in the nucleus without repelling each other.

Nuclear Forces

Nuclear forces, specifically the strong nuclear force, are the interactions that hold protons and neutrons together in the atomic nucleus. This force is much stronger than the electromagnetic force but acts over very short distances. It is responsible for overcoming the repulsion between positively charged protons, allowing neutrons to stabilize the nucleus.

Electromagnetic Repulsion

Electromagnetic repulsion occurs between charged particles, such as protons, which repel each other due to their like charges. Neutrons, being neutral, do not engage in this type of interaction. Therefore, the statement that neutrons repel each other is false, as they do not exert electromagnetic forces on one another.

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