Focused Reading Questions

January 26

page 763 - 765

1.    What is a band?

2.    Is the conduction band the empty MOs or the filled MOs?

16.5

3.    Do network solids have unit cells?

4.    What is an allotrope?

5.    Use MO theory to explain the difference between an insulator and a conductor?

6.    What are two differences in the physical properties of graphite and diamond?  How does MO theory help to explain these differences?

7.    What is a glass?

Semiconductors

8.    Use MO theory to compare a semiconductor to an insulator and a conductor.

9.    What is an n-type semiconductor?  What element could you add to silicon to make an n-type semiconductor?

10.    What is a p-type semiconductor?  What element could you add to silicon to make a p-type seminconductor?