Phases of matter\ Flashcards
1
Q
Kinetic theory
A
An explanation of how particles in matter behave
2
Q
Melting Point
A
The temperature at which a solid begins to liquefy
3
Q
Heat of Fusion
A
The amount of energy required to change a substance from the solid phases at its melting point
4
Q
Boiling point
A
The temperature at which the presure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid
5
Q
Heat of Vaporization
A
The amount of energy required for the liquid at its boiling point to become gas
6
Q
Diffusion
A
Is the spreading of particles throughout a given volume until they are uniformly distrubuted
7
Q
Plasma
A
Matter consisting of positively and negatively charged particles
8
Q
Thermal Expansion
A
An increasein the size of a substance when the temperature is increased
