Subject: General Science
Book: NCERT Chemistry Class 12
Study of crystalline and amorphous solids.
- **Types of Solids**:
- Molecular, ionic, covalent, metallic.
- **Packing in Solids**:
- Close-packed structures.
- **Defects in Solids**:
- Schottky and Frenkel defects.
**Possible Exam Questions:**
1. Differentiate between crystalline and amorphous solids.
2. Explain the different types of unit cells in crystal structures.
3. What are Schottky and Frenkel defects? Explain their effects.
4. How does packing efficiency impact the density of solids?
5. Discuss the role of semiconductors in electronics.
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