Chemical Reactions and Conservation of Mass
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C
Chemical changeA change that produces one or more new substances. | |
Chemical equationA symbolic representation of a chemical reaction using chemical symbols and formulae. | |
Chemical formulaA combination of symbols and numbers showing the types and numbers of atoms in a substance. | |
Chemical reactionA process in which atoms are rearranged to form new substances. | |
Chemical symbolA one- or two-letter abbreviation representing an element. | |
Closed systemA system in which no matter can enter or leave. | |
CoefficientA number placed before a chemical formula indicating the number of particles involved in a reaction. | |
Conservation of massThe principle that mass is neither created nor destroyed during ordinary chemical reactions. | |