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Chemical equations

TermDefinition
chemical formula a representation of a molecule in which the elements are represented by their symbols.
Chemical equation a representation of a chemical reaction by symbols and number.
Chemical change a change when a substance combines with another to form a new substance that can not be reversed.
Physical change a change in which the mixtures can be reversed. It does not change their chemical composition.
Subscript a number that is smaller than the normal line and sets below it. This number tells us the number of atoms a particular element has.
Coefficient The big number that is at the beginning of a chemical formula. ex) 2CHO
Product a chemical substance that is formed as a result of a chemical reaction.
Reactant a substance participating in a chemical reaction, especially one present at the start of the reaction.
yields represented by an arrow --> meaning "produces"
Created by: cibarra2013
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