Phases of matter Flashcards
1
Q
Kinetic theory
A
explanation of how particles in matter behave
2
Q
melting point
A
Temp at which solid begins to liquefy
3
Q
heat of fusion
A
Amount of energy to change a substance from solid to liquid at its melting point
4
Q
boiling point
A
When pressure of the vapor in the liquid equals pressure of the surface
5
Q
heat of vaporization
A
Amount of energy required for the liquid at its boiling point to become a gas
6
Q
diffusion
A
Spreading of particles throughout a given volume until they are uniformly distributed
7
Q
plasma
A
Matter consisting of positively and negatively charged particles
8
Q
thermal expansion
A
Increase in the size of a substance when the temp is increased
