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CHAPTER 2

QuestionAnswer
MATTER Anything that takes up space and has mass
PURE SUBSTANCES A material with a specific chemical composition; an element or a compound.
ELEMENT A pure chemical substance made up of only one type of atom.
COMPOUND A pure chemical substance made up of two or more atoms bonded together.
MIXTURE Two or more substances mixed together that can be broken down using physical means.
HOMEGENEOUS SOLUTION A mixture where the components are mixed in a way that they are not visible and cannot be seperated, such as saltwater.
HETERGENEOUS SOLUTION A mixture where the different components can be viewed and seperated manually, such as chocolate chip cookie dough.
DISTILLATION Distillation is a method of separating mixtures by boiling them.
PHYSICAL CHANGES A physical change does not affect a substance's chemical makeup. Ex. crushing, tearing, freezing
PHYSICAL PROPERTIES Properties that can be observed using the five senses.
CHEMICAL CHANGES Changes that affect the chemical makeup of a substance. Ex. burning
CHEMICAL PROPERTIES Properties of a material that can be observed during a chemical reaction.
LAW OF CONSERVATION OF MATTER Matter is neither created nor destroyed, but is combined and rearranged in different ways.
Created by: ssincerbox
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