Kinetic Molecular Theory
Properties of Liquids
Intermolecular Forces
Crystal Structures
Amorphous Liquids
Phase Changes
Phase Diagrams
100

Theory that explains particle motion in matter based on kinetic energy

Kinetic Molecular Theory

100

Weak attractive force between all atoms and molecules due to temporary dipoles

London dispersion force or Van der Waals 

100

Solid with a highly ordered, repeating arrangement of particles

Crystalline solid

100

Change from solid to liquid

Melting

100

Graph showing phase changes of a substance

Phase diagram

200

State of matter where particles vibrate in fixed positions

Solid

200

Intermolecular force present between polar molecules

Dipole–dipole force

200

Smallest repeating unit of a crystal lattice

Unit cell

200

Change from liquid to gas

Vaporization 

200

Point where all three phases coexist in equilibrium

Triple point

300

Attraction of water molecules or same molecules to each other

Cohesion

300

Strong intermolecular force involving hydrogen bonded to F, O, or N

Hydrogen bonding

300

Type of solid composed of molecules held by intermolecular forces

Molecular crystal

300

Change from solid to gas

Sublimation

300

Point where liquid and gas phases become indistinguishable

Critical point

400

Force that allows insects to walk on water

Kinetic energy

400

Attraction between an ion and a polar molecule

Ion–dipole force

400

Solid that lacks a regular, repeating structure

Amorphous solid

400

Change from gas to solid

Deposition

400

Is the energy (usually in kilojoules) required to melt 1 mole of a solid

Molar heat of fusion

500

Ability of water to dissolve many ionic and polar substances

Universal solvent

500

General term for forces acting between molecules

Intermolecular forces

500

Example of an amorphous solid commonly used in windows or kitchenwares

Glass

500

Heat absorbed during a phase change

Heat of fusion or heat of vaporization

500

A phenomenon that refers to a situation in which a liquid can be temporarily cooled to below its freezing point

Supercooling