Worksheet 2: Chapter 1 - The Solid State

 Chapter 1 - The Solid State

1. Define the term "crystalline solids" and give two examples.

2. Distinguish between crystalline solids and amorphous solids.

3. Explain the term "unit cell" and its significance in the study of solids.

4. State and explain the seven crystal systems.

5. Define the term "close packing" in the context of solids and explain the difference between hexagonal close packing (hcp) and cubic close packing (ccp).

6. Discuss the types of point defects in solids and give examples of each.

7. Explain the concept of doping in semiconductors and its effect on their conductivity.

8. Differentiate between conductors, insulators, and semiconductors based on their electrical conductivity.

9. Explain the terms "paramagnetism," "diamagnetism," and "ferromagnetism" with suitable examples.

10. Discuss the effect of pressure on the melting point of solids.

11. Explain the terms "polymorphism" and "allotropy" with examples.

12. Discuss the various factors that affect the packing efficiency in solids.

13. Define the term "imperfection" in the context of solids and discuss its significance.

14. Explain the terms "dislocation" and "edge dislocation" in solids.

15. Describe the concept of "crystal lattice" and discuss its role in determining the properties of solids.

16. Explain the term "density" and discuss how it is related to the packing efficiency of solids.

17. Discuss the factors that influence the electrical conductivity of metals.

18. Explain the concept of "Frenkel defect" and "Schottky defect" in ionic solids.

19. Discuss the effect of temperature on the electrical conductivity of semiconductors.

20. Explain the concept of "surface defects" in solids and discuss their impact on the properties of solids.