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| Activity Series | A list of elements organized according to the ease with which the elements undergo certain chemical reactions |
| Chemical Equation | Represents with symbols and formulas the identities and relative amounts of the reactants and product of a chemical reaction |
| Coefficient | A small whole number that appears in front of a formula in a chemical equations |
| Combustion Reaction | A substance combines with oxygen releasing a large amount of energy in the form of heat and light |
| Composition Reaction | Two or more substances combine to form a (one) new compound |
| Decomposition Reaction | A single compound under goes a reaction that produces two or more simpler substances |
| Displacement Reaction | One element replaces a similar element in a compound |
| Double Replacement Reaction | The ions of two compounds exchange places in an aqueous solution to form two new compounds |
| Electrolysis | The decomposition of a substance by an electrical current |
| Formula Equation | Represents the reactants and products of a chemical reaction by their symbols or formulas |
| Precipitate | A solid that is produced as a result of a chemical reaction in solution and that separates for the solution |
| Reversible Reaction | A chemical reaction in which the products reform the original reactants |
| Single Replacement Reaction | One element replaces a similar element in a compound |
| Synthesis Reaction | Two or more substances combine to form a (one) new compound |
| Word Equation | An equation in which the reactants and products of a chemical reaction are represented by words |
