| A | B |
|---|
| acid | a substance that tastes sour, reacts with metals and carbonates, and turns blue litmus red |
| base | a substance that tastes bitter, feels slippery, and turns red litmus blue |
| chemical equation | a short, easy way to show chemical reactions, using symbols instead of words |
| chemical reaction | a process in which substances undergo chemical changes, forming new substances with different properties |
| coefficient | a number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction |
| conservation of mass | the principle stating that matter is not created or destroyed during a chemical reaction |
| decomposition | a chemical reaction that breaks down a compound into simple products |
| neutralization | a reaction of an acid and a base, yielding a solution that is not as acidic or basic as the starting solutions were |
| pH scale | a measure of the concentration of hydrogen ions in a solution |
| product | a substance formed as a result of a chemical reaction |
| reactant | a substance that enters into a chemical reaction |
| replacement reaction | a reaction in which one element replaces another in a compound; or when two elements in different compounds trade places |
| synthesis | a chemical reaction in which two or more simple substances combine to form a new, more complex substance |
