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Matter

Ch.15 Classification of Matter

TermDefinition
chemical change when one substance changes into another substance
chemical property characteristics of a substance indicating that it can change chemically (flammability or light sensitivity)
colloid heterogeneous mixture with large particles that never settle
compound pure substance with two or more elements combined in fixed proportion
distillation a physical change; used for separating a mixture by evaporating a liquid and condensing its vapor
element a pure substance with atoms that are all alike
heterogeneous mixture of different and easily distinguishable materials
homogeneous contains two or more gaseous, liquid, or solid substances blended together evenly;
law of conservation of mass masses of all substances present before a chemical change equals the mass of all substances after the change.
physical change change in a substance's size, shape, or state of matter
physical property characteristics of a substance that describes how it can be used to separate mixtures
solution a homogeneous mixture (blended throughout)
substance either an element or a compound
suspension a heterogeneous mixture containing a liquid in which visible particles settle over time
Tyndall effect colloids scattering light
Created by: rabsher