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1-1 & 1-3

Bonnie Branch 8th grade 1-1 & 3

Chemistry The study of the properties of matter and how matter changes
Compound A substance made of two or more elements chemically combined
Physical change A change that alters the form or appearance, but does not make the material into another substance
Element A substance that cannot be broken down into other substances by chemical or physical means
Formula A combination of symbols that shows the ratio of elements in a compound
Chemical change A change in matter that produces new substances
Atom The smallest particle of an element
Mixture Two or more substances that are mixed together, but not chemically combined
Chemical reaction A process in which substances undergo chemical change
Symbol Usually one- or two-letter set of characters that is used to identify an element
Chemical bond The force that holds two atoms together
Molecule A combination of two or more atoms that are bonded together
Created by: kjanelli