Material Science Exam 1

Front 1

What is the name of defect indicated by the circle shown in the photograph below?

Back 1

Vacancy

Front 2

Back 2

The elements must have similar coefficient of thermal expansion.

Front 3

What kind of crystalline imperfection is illustrated in the diagram shown?

Back 3

Edge Dislocation

Front 4

Back 4

Covalent Bond

Front 5

Back 5

Van Der Waals Bonds

Front 6

Materials that exhibit high binding energies tend to have...

Back 6

High strengths and high melting temperatures

Front 7

__________ properties describe how a material responds to an applied load.

Back 7

Mechanical

Front 8

______________ describes the tendency of an atom to gain an electron.

Back 8

Electronegativity

Front 9

The ____________ is the smallest subdivision of the crystal lattice that still retains the overall characteristics of the lattice.

Back 9

Unit cell

Front 10

Back 10

Semiconductors

Front 11

Back 11

The structure and the properties

Front 12

Back 12

Ionic bond

Front 13

Back 13

False

Front 14

Back 14

Anisotropic

Front 15

Back 15

Allotropic

Front 16

Back 16

Polymers

Front 17

Back 17

Schotky defect

Front 18

Back 18

Grain boundary

Front 19

Back 19

Transmission electron microscopy