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Chemistry: Phases

Solids, liquids & Gases

TermDefinition
Kinetic-Molecular Theory explains the behavior of gases, liquids and solids; can be explained by the process of condensation... biggest difference between gases and liquids is the distance between the particles
Gases and Liquid the two phases that can change positions with other particles
Inter-molecular Forces a force between particles are stronger in gases than in solids
Vaporization the process by which a liquid changes to a gas and the process by which a solid changes to a gas
Evaporation The process by which particles escape from the surface of a non boiling liquid and enter the gas state
High Kinetic Energy causes particles in a liquid to escape into a gas state
A Solid what forms when the average energy of a substance's particles decreases
Triple Point the point of a substance is the temperature and pressure conditions at which states of coexist at equilibrium
Sublimation the process of a substance changing from a solid to a vapor without passing through the liquid stage
Fluidity substance can flow and thus take the shape of the container
Freezing when kinetic energy drops too low, transitional motion is decreased and an orderly arrangement without flow occurs
Molecular Covalent common gases and liquids are all covalent
Network Covalent are all non metals, bonded infinitely in all direction, making one giant molecule
Ionic are made of metal cation and nonmetal anions in crystal arrangement; very strong bonds
Metallic are just metal ions with a sea of electrons flowing around them, often just one pure metal
Critical Temperature the highest temperature at which it is possible for the substance to exist, as a liquid
Critical Pressure the lowest amount of pressure you must apply to liquefy it at that temperature well below STP, it is referred to as "permanent gas"
Iondon Dispirtion found in all molecules, weakest temporary induced dipoles,
Dipole Dipoles stronger, between pos and neg ends of adjacent molecules, raises the boiling and melting point
Created by: swingren
 

 



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