|Define melting point:||
|What is freezing point?||*Freezing point
-temp. at which force attr. particles to one another holds them together
|What is heat of fusion?||*Heat of fusion
-amt. of heat req'd to melt one gram of any substance at its melting pt.
|Define boiling point:||*Boiling point
-pt. at which molecules of a liquid begin to escape as gas
|What is heat of vaporization?||*Heat of vaporization
-amt. of heat req'd to change 1 gram of liq. to gas at boiling pt.
|What is condensation?||*Condensation
-pt. at which cooling gas changes back to liq.