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chapter15 vocab

vocabulary

TermDefinition
Substance is a types of matter with a fixed composition.
element all atoms in a substance have the same identity.
compound is a substance in which the atoms of two or more elements are combined in a fixed proportions.
heterogeneous mixture A mixture in which different materials can be distinguished easily.
homogeneous mixture contains 2 or more gaseous,liquid,or solid substances blended evenly.
solution is a homogeneous mixture of particles so small that they cannot be seen with a microscope and will never settle to the bottom of their container.
colloid is a typed of mixture with particles that are larger than those in solutions but not heavy enough to settle out.
Tyndall effect is the scattering of light when pointed in a glass full of liquid.
suspension is heterogeneous mixture containing a liquid in which visible particles.
physical property is any characteristics that you can observe without changing the identity.
physical change a change in size,shape, or state of matter.
distillaiton is the process of separating substances in a mixture by evaporating a liquid and recondensing it's vapor.
chemical property is a characteristic of a substance that indicates whether it can undergo a certain chemical change.
chemical change a change of one substance to another.
law of conservation of mass is the mass of all substances that are present before a chemical change equals the mass of all the substances that remain after the change.
Created by: anthonyrouse123