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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 side of the element that shows how many 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 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. |
| Simple-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 or destroyed in a chemical reaction. |