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Chem. Sec. 2.3-2.4

Vocabulary

QuestionAnswer
The simplest form of matter that has a unique set of properties Element
A substance that contains two or more elements chemically combined in a fixed proportion. Compound
A change that produces matter with a different composition than the original matter. Chemical Change
A representation of an element with either one or two letters. Chemical Symbol
The ability of a substance to undergo a specific chemical change. Chemical Property
When one or more substances change into one or more new substances. Chemical Reaction
A substance present at the start of a chemical reaction. Reactant
A substance produced in a chemical reaction. Product
A solid that forms and settles out of a liquid mixture. Precipitate
States that in any physical change or chemical reaction, mass is conserved, mass is neither created nor destroyed. The Law of Conservation of Mass
Created by: chemistry08