Phases of Matter Flashcards
1
Q
Explanation of how particles in matter behave.
A
Kinetic theory
2
Q
Temp at which a solid begins to liquefy.
A
Melting point
3
Q
Amount of energy required to change a substance from a solid to a liquid at its melting point.
A
Heat of fusion
4
Q
Temp at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid.
A
Boiling point
5
Q
Amount of energy required for the liquid at its boiling point to become a gas.
A
Heat of vaporization
6
Q
Spreading of particles throughout a given volume until they are uniformly distributed.
A
Diffusion
7
Q
Matter consisting of positive and negative charged particles.
A
Plasma
8
Q
Increase in the size of the substance when the temperature is increased.
A
Thermal expansion
