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Physical-Chemical Pr

matter anything that has mass and volume (takes up space)
mass the amount of matter in an object
volume the amount of space an object occupies
weight the measure of gravity
density ratio of mass per unit volume d=m/v
conductivity the ability to transfer heat/electricity
malleability the ability to pound into thin sheets
solubility the ability of one substance to dissolve into another substance
physical properties characteristics that can be measured or observed
physical change a change in the form of a substance that DOES NOT change its identity
solid definite shape-definite volume- slow moving particles
liquid definite volume- takes shape of container- fast moving particles
gas volume and shape of container - extremely fast moving particles
melting changing from a solid to a liquid
freezing changing from a liquid to a solid
evaporation changing from a liquid to a gas
condensation changing from a gas to a liquid
sublimation changing from a solid to a gas
chemical properties characteristics that describe a substance's ability to change
chemical change a change in a substance when new substances are formed
precipitate a solid forming in a solution
oxidation gain of oxygen- rust
endothermic reactions that require heat (gets colder)
exothermic reactions that release heat (gets warmer)
Created by: strong