Name: ______________ Date: __________ Mixtures and Pure Substances - Notes Mixtures • A mixture is a _____________1_______ of two or more ___________2_______ that are not chemically __________3_________________. • Mixtures can be ____________4_____________, such as mechanical mixtures and suspensions, or ________________5___________, such as solutions and colloids. Mechanical Mixtures • Mechanical mixtures are classified as _________6_______________, meaning the particles are not evenly distributed or combined. • The different substances that make up the mixture can be _____7________ and separated by _____8_____________. • Examples include: __________________9________________________________ Suspensions • Like mechanical mixtures, suspensions are ______10___________________________. • The different substances that make up the mixture will not ____________11___________, they are ______________12____________. • Particles are so large that they _____________13__________ unless the mixture is constantly ________________14____________. • Examples include: __________________________15_________________________ Solutions • Classified as __________16_______________, meaning the particles are evenly distributed throughout the mixture. • These are formed when one or more ___________17_________ dissolve into a ______________18_________. • Examples include: ______________________19_____________________________ Colloids • Like solutions, they are classified as __________20______________________. • Particles are spread throughout, but are not _____21_________ enough to settle out. • Particles can’t be __________22________ by a filter. • Colloids often appear ______23____________. • Examples include: ________________24___________________________________ Pure Substances • Pure substances contain only ____25_____ type of _______26____________. • Can be separated into ________27________ and ______28_____________. Elements • Elements are ____29________ substances made of only one type of ________30________. • Can not be _______________________31__________________into simpler substances under ______________32_______ lab conditions. • Examples include: _____________33_____________________________________ Compounds • Compounds are ____________34_______________made of atoms of two or more elements that are _________________35_________ combined. • Compounds are ___________36______________ and different from the ________37__________ they contain. • Examples include: _____________________38_____________________________ Matter can be separated into _______39______ and ________40______ components.
