Topic 3.5.23 min read
3.5.2 Shapes of Molecules Containing Three Electron Pairs
Three Electron Pairs (AX₃ or AX₂E): A molecule in which the central atom is surrounded by three electron pairs — either three bonding pairs or two bonding pairs and one lone pair.
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3.5.2 Shapes of Molecules Containing Three Electron Pairs
What is it?
Three Electron Pairs (AX₃ or AX₂E): A molecule in which the central atom is surrounded by three electron pairs — either three bonding pairs or two bonding pairs and one lone pair.
In simple words
3.5.2 Shapes of Molecules Containing Three Electron Pairs is a core idea in this chapter. Learn the meaning first, then the main parts, then one clear example.
Recommended for Class 11
Full school-level explanation
Three Electron Pairs (AX₃ or AX₂E): A molecule in which the central atom is surrounded by three electron pairs — either three bonding pairs or two bonding pairs and one lone pair.
Why it matters
Understanding 3.5.2 Shapes of Molecules Containing Three Electron Pairs helps you answer definition, explanation, and application questions in this chapter.
Deeper understanding
Go deeper on 3.5.2 Shapes of Molecules Containing Three Electron Pairs: 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
- Three Electron Pairs (AX₃ or AX₂E): A molecule in which the central atom is surrounded by three electron pairs — eit
For long answers on 3.5.2 Shapes of Molecules Containing Three Electron Pairs: define clearly → explain the main parts → give one example → state one exam caution.
Exam Focus
Exam Focus
Important points
- Three Electron Pairs (AX₃ or AX₂E): A molecule in which the central atom is surrounded by three electron pairs — eit
Common exam traps
- Do not write about 3.5.2 Shapes of Molecules Containing Three Electron Pairs 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 3.5.2 Shapes of Molecules Containing Three Electron Pairs 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.
Three Electron Pairs (AX₃ or AX₂E): A molecule in which the central atom is surrounded by three electron pairs — eit
Three Electron Pairs (AX₃ or AX₂E): A molecule in which the central atom is surrounded by three electron pairs — either three bonding pairs or two bonding p
- Definition
- Three Electron Pairs (AX₃ or AX₂E): A molecule in which the central atom is surrounded by three electron pairs — either three bonding pairs or two bonding p
- Critical warning
- Do not write about 3.5.2 Shapes of Molecules Containing Three Electron Pairs without a clear definition.
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Exam Practice
Define
Q1. Define 3.5.2 Shapes of Molecules Containing Three Electron Pairs.
Explain
Q2. Explain the main ideas in 3.5.2 Shapes of Molecules Containing Three Electron Pairs.
Example
Q3. Give one clear example of 3.5.2 Shapes of Molecules Containing Three Electron Pairs and say why it fits.
Mistake
Q4. State one common mistake students make about 3.5.2 Shapes of Molecules Containing Three Electron Pairs.
Exam note
Q5. Write a short exam note on 3.5.2 Shapes of Molecules Containing Three Electron Pairs: definition, two points, one example.
Sources & References
School-standard facts for Matric and Intermediate. Original explanations — not copied from textbooks.