Topic 3.93 min read
3.9 Intermolecular Forces (Forces Between Molecules)
Intermolecular forces are the forces of attraction between covalent molecules. Types of Intermolecular Forces 1. Permanent Dipole-Dipole Forces · Present between polar molecules. · Example: HCl molecules. 2. Instantaneous Dipole-Induced Dipole Forces (London Forces) · Present between non
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3.9 Intermolecular Forces (Forces Between Molecules)
What is it?
Intermolecular forces are the forces of attraction between covalent molecules. ### Types of Intermolecular Forces 1. Permanent Dipole-Dipole Forces - Present between polar molecules. - Example: HCl molecules. 2. Instantaneous Dipole-Induced Dipole Forces (London Forces) - Present between non
In simple words
3.9 Intermolecular Forces (Forces Between Molecules) is a core idea in this chapter. Learn the meaning first, then the main parts, then one clear example.
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Full school-level explanation
Intermolecular forces are the forces of attraction between covalent molecules. ### Types of Intermolecular Forces 1. Permanent Dipole-Dipole Forces - Present between polar molecules. - Example: HCl molecules. 2. Instantaneous Dipole-Induced Dipole Forces (London Forces) - Present between non
Why it matters
Understanding 3.9 Intermolecular Forces (Forces Between Molecules) helps you answer definition, explanation, and application questions in this chapter.
Deeper understanding
Go deeper on 3.9 Intermolecular Forces (Forces Between Molecules): connect the definition to reasons, relationships, exceptions, and exam wording.
Exam focus
Key Point 1
Key Point 2
Key Point 3
Key Point 4
Exam focus
Quick revision
- Intermolecular forces are the forces of attraction between covalent molecules. ### Types of Intermolecular Forces 1. **P
For long answers on 3.9 Intermolecular Forces (Forces Between Molecules): define clearly → explain the main parts → give one example → state one exam caution.
Exam Focus
Exam Focus
Important points
- Intermolecular forces are the forces of attraction between covalent molecules. ### Types of Intermolecular Forces 1. **P
Common exam traps
- Do not write about 3.9 Intermolecular Forces (Forces Between Molecules) without a clear definition.
- Do not mix this idea with a neighbouring chapter concept.
Long question structure
Definition → key parts → example → exam caution
Common Mistakes
Common Mistakes
- Mistake
Do not write about 3.9 Intermolecular Forces (Forces Between Molecules) without a clear definition.
- Mistake
Do not mix this idea with a neighbouring chapter concept.
- Mistake
Do not list facts without showing how they connect.
Revision Zone
60-Second Revision
Quick cues from this topic — use them for last-minute revision.
Intermolecular forces are the forces of attraction between covalent molecules. ### Types of Intermolecular Forces 1. **P
Intermolecular forces are the forces of attraction between covalent molecules. ### Types of Intermolecular Forces 1. Permanent Dipole-Dipole Forces - Presen
- Definition
- Intermolecular forces are the forces of attraction between covalent molecules. ### Types of Intermolecular Forces 1. Permanent Dipole-Dipole Forces - Presen
- Critical warning
- Do not write about 3.9 Intermolecular Forces (Forces Between Molecules) without a clear definition.
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Exam Practice
Define
Q1. Define 3.9 Intermolecular Forces (Forces Between Molecules).
Explain
Q2. Explain the main ideas in 3.9 Intermolecular Forces (Forces Between Molecules).
Example
Q3. Give one clear example of 3.9 Intermolecular Forces (Forces Between Molecules) and say why it fits.
Mistake
Q4. State one common mistake students make about 3.9 Intermolecular Forces (Forces Between Molecules).
Exam note
Q5. Write a short exam note on 3.9 Intermolecular Forces (Forces Between Molecules): definition, two points, one example.
Sources & References
School-standard facts for Matric and Intermediate. Original explanations — not copied from textbooks.