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Science ch.1

Science vocab Chapter1 section 1 and 3

QuestionAnswer
chemistry the study of matter and how matter changes
element a substance that cannot be broken down any further by chemical or physical means
atom the smallest particle of an element
symbol usually 1 or 2 letter set of characters that is used to identify an element
compound a substance made of 2 or more elements chemically combined
formula a combo of symbols that show the ratio of elements in a compound
mixture 2 or more substances that are mixed together, but not chemically combined
physical change a change that alters appearance, but doesn't make it into another substance
chemical change a change in matter that produces new substances
chemical reaction a process in which substances undergo a chemical change
chemical bond force that holds 2 atoms together
molecule 2 or more atoms that are bonded together
chemistry the study of matter and how matter changes
element a substance that cannot be broken down any further by chemical or physical means
atom the smallest particle of an element
symbol usually 1 or 2 letter set of characters that is used to identify an element
compound a substance made of 2 or more elements chemically combined
formula a combo of symbols that show the ratio of elements in a compound
mixture 2 or more substances that are mixed together, but not chemically combined
physical change a change that alters appearance, but doesn't make it into another substance
chemical change a change in matter that produces new substances
chemical reaction a process in which substances undergo a chemical change
chemical bond force that holds 2 atoms together
molecule 2 or more atoms that are bonded together
Created by: jumpthemoon
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