| A | B |
| MOLAR MASS | THE MASS IN GRAMS OF ONE MOLE OF A SUBSTANCE |
| SUBSCRIPT | REPRESENTS THE NUMBER OF EACH TYPE OF ATOM IN ONE FORMULA UNIT OF A SUBSTANCE |
| FORMULA UNIT | THE SMALLEST REPEATING UNIT OF A SUBSTANCE OR THE SMALLEST PART OF A SUBSTANCE THAT DISPLAYS THE PROPERTIES OF THAT SUBSTANCE |
| CHEMICAL EQUATION | A SYMBOLIC SUMMARY OF A CHEMICAL CHANGE |
| COEFFICIENT | REPRESENTS THE NUMBER OF FORMULA UNITS OR MOLES OF A SUBSTANCE |
| REACTANTS | STARTING MATERIALS IN A CHEMICAL REACTION |
| PRODUCT | THE RESULTS OF A CHEMICAL REACTION |
| OXIDATION | LOSS OF ELECTRONS |
| REDUCTION | GAIN OF ELECTRONS |
| OXIDATION REDUCTION REACTION | REACTION IN WHICH ELECTRONS ARE TRANSFERED |
| EMPIRICAL FORMULA | FORMULA EXPRESSING THE SMALLEST WHOLE NUMBER RATIO OF ATOMS IN A FORMULA UNIT OF A SUBSTANCE |
| MOLECULAR FORMULA | REPRESENTS THE ACTUAL NUMBER OF EACH TYPE OF ATOM IN A FORMULA UNIT OF A SUBSTANCE |
| CHEMICAL REACTION | THE PROCESS IN WHCIH A CHEMICAL CHANGE OCCURS |
| SINGLE DISPLACEMENT | A + BC --> B + AC |
| DOUBLE DISPLACEMENT | AB + CD --> AD + CB |
| DECOMPOSITION | AB --> A + B |
| SYNTHESIS OR COMBINATION | A + B --> AB |
| OXIIDIZING AGENT | TAKING AN ELECTRON FROM ANOTHER SUBSTANCE BECOMING REDUCED AND CAUSING THE OTHER SUBSTANCE TO BE OXIDIZED |
| REDUCING AGENT | GIVES AN ELECTRON TO ANOTHER SUBSTANCE BECOMING OXIDIZED BUT CAUSED THE OTHER SUBSTANCE TO BE REDUCED |
| BALANCED CHEMICAL EQUATION | SAME NUMBER OF EACH TYPE OF ATOM ON THE REACTANT AND PRODUCT SIDE OF THE EQUATION |