| A | B |
|---|
| atoms | smallest part of an element, basic building block of all substances |
| periodic table | all known elements arranged in rows, atomic # and colums by family groups |
| Chemical equation | contains chemical formulas and other symbols used to represent a chemical reaction that has occured |
| Chemical reaction | any change that alters the chemical properties of a substance or forms a new substance |
| Reactants | substances that are broken apart or combined in a chemical reaction |
| Products | new substances form in a chemical reaction |
| Yields | to become, symbol between the reactants and products in a chemical equation |
| Balanced Equation | supports Law of Conservation of matter by showing that the type and number of reactant atoms is equal to those in the in the products |
| Chemical properties | properties that can only be observed when there is a change in the composition of a substance |
| Burning | a chemical process that takes place when a substance reacts with oxgen quickly and release heat and light energy |
| Physical Change | a change in which the appearance or state of matter changes but the substance properties and make up remain the same |
| Chemical Change | a change in whic one or more substances combine or break apart to form new substances |
| coefficient | the number that come before the chemical formula and indicates the number of molecules |
