exam4_2006 - Exam 4 CEM 151 November 29, 2006 Name_...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Exam 4 CEM 151 November 29, 2006 Name ___________________ Section __________________ PID _____________________ (Multiple choice, 4 points) 1. Which of the following is a semiconductor? a. InI c. K 3 As e. H 2 S b. InI 3 d. InP f. MgF 2 2. A wider band gap corresponds to a material that has the properties of a a. conductor c. ceramic e. semiconductor g. metal b. Insulator d. polymer f. metal halide 3. Which of the following elements will act as semiconductors in their pure form. a. As c. Ge e. Sn g. Si i. c, d, g b. Al d. C f. O h. a, c, d j. a, c, d, g 4. Which of the following elements, if doped into silicon would produce an n-type semiconductor. a. Ga c. C e. Na g. e, f, d b. As d. Al f. Mg 5. Which of the following elements, if doped into silicon, would produce a p-type semiconductor? a. Ga c. Ge e. P g. b, e, f i. c, d b. As d. C f. Se h. a and d 6. Which kinds of materials have exhibited superconductivity? a. Acids c. Metals e. Liquid crystals g. c and f i. b and c b. Ceramics d. Polymers f. b and d h. a, b and c. 7. Of the following chemical forms, which are not commonly found in ceramics? a. silicates
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/22/2008 for the course CEM 151 taught by Professor Gigger during the Spring '08 term at Michigan State University.

Page1 / 5

exam4_2006 - Exam 4 CEM 151 November 29, 2006 Name_...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online