States of Matter  Click here to download the entire Day 7 lecture as a PDF file. Depending on your computer, you may need to right click on the link. Classifications Solids Liquids Gases Other states Plasma Amorphous solid Liquid crystal Transitions between states Sublimation and deposition Evaporation and condensation Fusion (melting) and freezing Molecular view of materials and phase changes Kinds of solids Covalent network Ionic Molecular Intermolecular forces Dipole-dipole Ion-dipole Dipole-induced dipole Dispersion Forces Hydrogen bonding Connection between intermolecular forces and physical properties Trends in halogens Group IV A hydrides Group VI A hydrides Heats of Vaporization Liquids Properties Gases Pressure State variables Pressure Volume Temperature Idea of absolute zero Number of moles Ideal gas law Simple problems What is an ideal gas? Real gases Kinetic theory of gases Velocity distribution