| condensation | the energy-releasing process by which a gas or vapor becomes a liquid |
| diffusion | the movement of one material through another from an area of higher concentration to an area of lower concentration |
| dispersion forces | the weak forces resulting from temporary shifts in the density of electrons in electron clouds |
| hydrogen bond | a strong dipole-dipole attraction between molecules that contain a hydrogen atom bonded to a small, highly electronegative atom with at least one lone electron pair |
| melting point | for a crystalline solid, the temperature at which the forces holding a crystal lattice together are broken and it becomes a liquid |
| phase diagram | a graph of pressure versus temperature that shows which phase a substance exists in under different conditions of temperature and pressure |
| pressure | force applied per unit of area |
| vapor pressure | the pressure exerted by a vapor over a liquid |
Drag corresponding items onto each other to make them disappear.
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