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Chapter 15 PS

QuestionAnswer
element or compound that cannot be broken down into simpler components and maintain the properties of the original substance. substance
When all atoms in a substance have the same identity. element
a sustenance in which the atoms of two or more element are combined i a fixed proportion. compound
A mixture in which different materials can be distinguished easily. heterogeneous mixture
contains two or more gaseous,liquid or solid substances blended evenly throughout. homogeneous mixture
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. solution
a type of mixture with particles that are larger than those in solutions but not heavy enough to settle out. colloid
the scattering of light by colloidal particles. tyndall effect
a heterogeneous mixture containing a liquid in which visible particles settle. suspension
any characteristic of a material that you can observe without changing the identity of the substances that make up the material physical poperty
a change in size shape or state of matter physical change
the process for separating substances in a mixture by evaporation a liquid and re condinsing its vapor distillatoin
characteristic of a susbtace that indicates whether it can undergo a certain chemical change chemical property
a change of one substance to another chemical change
the mass of all substances that are present before chemical change equal the mass of all the substances that remain after the change. law of conservation of mass
Created by: billybobthebob
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