Phases of Matter Flashcards
1
Q
An explanation of how particles in matter behave.
A
Kinetic theory
2
Q
The temperature at which a solid begins to liquefy.
A
melting point
3
Q
A substance from the solid phase to the liquid phase at it’s melting point.
A
heat of fusion
4
Q
The temperature at which the pressure of the vapor in the liquid is equal to the external pressure.
A
boiling point
5
Q
The amount of energy required for the liquid at it’s boiling point.
A
heat of vaporization
6
Q
The spreading of particles throughout a given volume until they are uniformly distributed.
A
diffusion
7
Q
The matter consisting of positively and negatively charged particles.
A
plasma
8
Q
An increase in the size of a substance when the temperature is increased.
A
thermal expansion
