| A | B |
|---|
| Precipitate | a solid that forms from a solution during a chemical reaction. |
| Endothermic Reaction | A kind of reaction that absorbs energy. |
| Exothermic Reaction | A kind of reaction that releases energy. |
| Chemical Equation | A shorter, easier way to show chemical reaction, using symbols instead of words. |
| Subscripts | Show the number of atoms of an elements in a molecule or the ratio of elements in a compound. |
| Reactants | The materials you have at the beginning (the material on the left side of a scientific equation). |
| Products | The materials present that complete a reaction (two reactants equal a product) |
| Conservation of Mass | chemical reaction, matter is not created or destroyed. |
| Synthesis | when two or more substances combine to make a more complex substance. |
| Decomposition | A process where compounds are breaken down into simpler products. |
| Replacement | when one element replaces another in a compound, or when two elements in different compounds trade places. |
