click below
click below
Normal Size Small Size show me how
vocab
chemical reactions
Term | Definition |
---|---|
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 |
Subsrcipt | Small number to the right of the element that shows how may 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 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 in neither created nor destroyed in a chemical reaction. |