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voc chem react
vocabulary words chemical reactions
| Term | Definition |
|---|---|
| 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 Mass | State that mass is neither created nor destroyed in chemical reaction |
| Chemical Formula | A shorthland 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 | 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. |
| Reactant | A substance or molecule that starts a chemical reaction. |
| Product | The substance that forms as a result of chemical reaction. |
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