| A | B |
|---|
| Chemical Change | a chemical reaction that forms a new product |
| Physical Change | matter that changes form but not chemical identity |
| Chemical Reaction | a chemical change where one substance changes into a different substance |
| Substance | a specific type of matter that has unique chemical composition and physical properties |
| Precipitate | the appearance of a solid in a solution as a result of a chemical reaction |
| Exothermic | the release of energy in a chemical reaction that feels hot |
| Endothermic | when energy is absorbed in a chemical reaction that feels cold |
| Odor | a smell |
| Reactants | starting substance in a chemical reaction (ingredients) |
| Products | substances made in a chemical reaction |
| Yields | the arrow that separates reactants and products in a chemical reaction |
| Aqueous | substance that is dissolved in water |
| Coefficient | a number in front of a formula that tells you how many of that substance you have |
| Subscript | a number at the bottom right of an element symbol that tells how many atoms of that element you have |
| Word Equation | names of reactants and products written out in words |
| Skeleton Equation | written as formulas with no coefficients given |
| Law of Conservation of Mass | mass cannot be created or destroyed |
