material science
What is the primary type of bond found in metals?
Metallic bond
Which of the following materials is classified as a ceramic?
Aluminum oxide
What is the term for the property of a material to return to its original shape after deformation?
Elasticity
What is the main characteristic of a polymer structure?
Long chain of molecules
What does the term 'ductility' refer to in material science?
Ability to be drawn into wires
Which of the following is a property of amorphous solids?
Short-range order
In a stress-strain curve, what does the elastic limit represent?
The point where permanent deformation begins
Which material has the highest electrical conductivity?
Copper
What is the main purpose of alloying a metal?
To improve mechanical and chemical properties
What is the primary difference between thermoplastics and thermosetting plastics?
Thermoplastics soften upon heating while thermosetting plastics harden