| A | B |
| boiling point | temp when vapor pressure = external pressure |
| boiling | liquid to gas all throughout the liquid |
| melting point | temp at which a solid turns into a liquid |
| condensation | the change from a gas to a liquid |
| amorphous | solid without an orderly arrangement |
| phase diagram | graph of a substance at any temp & pressure |
| crystal | solid with an orderly arrangement of particles |
| barometer | used to measure atmospheric pressure |
| allotropes | different forms of the same element |
| triple point | temp & pressure at which all 3 states exist |
| evaporation | liquid to gas at the surface of liquid |
| vapor pressure | pressure of a vapor over its liquid |
| atmospheric pressure | pressure exerted by the atmosphere |
| sublimation | change from solid state to gas |
| kinetic energy | energy of motion |
| vacuum | no pressure or particles exist |
| absolute zero | no movement, no kinetic energy |
| 0C, 760 mmHg | conditions at STP |
| intermolecular forces | attractive forces in-between liquid molecules |
| kinetic theory | says collisions of gas particles are elastic |
| galena | cubic shaped crystals |
| blue topaz | orthorhombic shaped crystals |
| gypsum | monoclinic shaped crystals |
| calcite | rhombohedral shaped |
| amazonite | triclinic shaped crystals |