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Published byDarrell Anthony Modified over 9 years ago
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Aka “pure susbtances”
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MATTER Has mass and takes up space. Made of atoms. All solids, liquids, and gases are matter.
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MIXTURE A combination of 2 or more substances that can be separated by physical means –Chicken Soup –Rocky road Ice Cream –Soil
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PURE SUBSTANCE cannot be separated by physical means (sorting, filtering, heating, cooling), All particles making it up are the same ALWAYS HOMOGENOUS! –Gold –Table Salt
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HOMOGENEOUS MIXTURE A mixture that has the same composition throughout. –UNOPENED can of soda –Alloys –Kool-Aid –Salt water
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HETEROGENEOUS MIXTURE A mixture in which the composition is not the same throughout. –Chicken Noodle Soup –Italian Salad Dressing
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ELEMENT A substance made up of only one type of atom. Each has a unique symbol. –Silver (Ag) –Gold (Au) –Hydrogen (H) –Oxygen (O)
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COMPOUND A pure substance that is made of 2 or more elements chemically combined. Can only be separated by chemical means (burning, chemical reactions). Smallest part called a molecule. Each has a unique formula. –Table Salt (NaCl) –Rock Salt (CaCl 2 ) –Water (H 2 O)
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