Chapter 1

Question 1

How are metal’s atoms arranged?

Answer 1

In an orderly manner and dense

Question 2

What is stiff, strong, ductile, and resistant to fracture?

Answer 2

Metals

Question 3

What material(s) is /are a high electrical and thermal conductor?

Answer 3

Metals

Question 4

Which material is vulnerable to corrosion damage?

Answer 4

Metals

Question 5

Ceramics:

Answer 5

Are compounds between metallic and nonmetallic elements

Question 6

What is stiff, strong but very brittle, high fracture

Answer 6

Ceramics

Question 7

Which material(s) is/are low electrical conductors?

Answer 7

Ceramics and Polymers

Question 8

Which material is resistant to high temp and harsh environments?

Answer 8

Ceramics

Question 9

Polymers:

Answer 9

Are plastics and rubbers.

Question 10

What material has a large molecular structure; chain-like?

Answer 10

Polymers

Question 11

What material has low density, ductile, and not as stiff or strong?

Answer 11

Polymers

Question 12

What material has a low resistance to environment and electrical conductivity?

Answer 12

Polymers

Question 13

Composites:

Answer 13

Are two or more individual materials (i.e. Metals, ceramics, polymers).

Question 14

What are composites used for?

Answer 14

They are used to enhance attributes and quality of a material.

Question 15

Semiconductors:

Answer 15

Have electrical conductivities intermediate between those of conductors and insulators.

Question 16

Biomaterials:

Answer 16

Materials that are compatible with body tissue.

Question 17

Smart materials

Answer 17

Materials that sense and respond to changes in their environments in predetermined manners.

Question 18

Nanomaterials:

Answer 18

Have structural features on the order of a nanometer, some which may be designed on the atomic/molecular level.

Question 19

Metals:

Answer 19

Are made of one or more metallic elements.