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Vocab Chem Reactions

vocab for 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
Subscript (H2O)- small number to the right of the element that shows how many atoms there are of the element
Coefficient The large number that multiplies atoms of the element 2Cl+3Na
Reactant A substance or molecule that starts a chemical reaction Mg+O2 ---->
Product The substance that forms a result of a chemical reaction ----> MgO2
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 a 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 is neither created or destroyed in a chemical reaction
Created by: Sportychic013
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