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Voc Chem React
Vocabulary words chemical reactions
Term | Definition |
---|---|
Chemical Formula | A shorthand way to use chemical symbols and numbers to represent a substance. |
Chemical Equation | Uses symbols to show the relationship between the reactants and the products. |
Subscript | 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. |
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 is neither created nor destroyed in a chemical reaction. |