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vocab

chemical reactions

TermDefinition
Chemical formula A shorthand way to use chemical symbols and numbers to represent a substance. (H2O)
Chemical equation Uses symbols to show the relationship between the reactants and the products. C+O2= CO2
Subsrcipt Small number to the right of the element that shows how may atoms there are of the element
Coefficient The large number that multiplies atoms of the element
Reactant A substance or molecule that starts a chemical reaction
Product The substance that forms as a result of a chemical reaction
Chemical reaction When atoms of elements break apart and rearrange to become new substances
Synthesis reaction When two or more substances combine to create one new compound
Decomposition reaction A reaction where a single compound breaks down to form 2 simpler substances
Single-displacement reaction One element replaces another element in compound leaving a new compound and 1 element
Double displacement reaction The 2 metal ions in 2 compounds switch places in a chemical reaction
Law of conservation of mass States that mass in neither created nor destroyed in a chemical reaction.
Created by: _ladyxoxo_
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