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chapter 8

TermDefinition
Crystalline solids particles form a regular repeating pattern called crystals.
Amorphous solids particles not arranged in a repeating pattern
Surface Tension An inward force, or pull among the molecules in a liquid that brings the molecules on the surface closer together
Viscosity A liquids’s resistance to flowing
Gas particles are able to move and spread out filling all space available, thus gasses has no definite shape or definite volume
Pressure gas particles constantly collide with one another and the walls of their container. Pressure is the outward push divided by the area of the walls of the container. Pressure= Force/Area.
Temperature the higher the temperature the faster particles moving
Melting When a solid changes to a liquid
Melting point the temperature at which a substance melts.
Freezing When a liquid changes to a solid
Freezing point the temperature when a substance freezes.
Vaporization When a liquid changes to a gas
Evaporation takes place only on the surface of the liquid.
Boiling When vaporization occurs both below the and at the surface.
Boiling Point Temperature at which a liquid boils.
Condensation When a gas changes to a liquid.
Sublimation When a substance changes straight from a solid to a gas.
Created by: user-1769998
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