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LSH CChem Unit 1B

Temperature and Thermal States of Matter

Heat Thermal energy
Temperature The average kinetic energy within the particles of a substance
Absolute zero A state where there is no kinetic energy within the particles of a substance (O Kelvin)
Sublimation A solid vaporizing - not forming a liquid
Solid Thermal state when the bonds between the particles are rigid; shape and volume are fixed
Liquid Thermal state when the bonds are fluid - particles are free to flow - shape is not fixed but volume is fixed
Gas Thermal state when the particles have too much kinetic energy to be attracted to each other - particles bounce off each other - no fixed shape or volume
Plasma An ionized gas