| A | B |
| Synthesis | Reaction where 2 or more substances combine to make one new substance |
| Exothermic | Reaction where energy is given off |
| Chemical Equation | Abbreviated way to show a chemical reaction |
| Major Parts of a Chemical Reaction | Products, Reactants |
| Decomposition | Reaction where one substance breaks down into two or more simpler substances |
| Endothermic | Reaction where energy is absorbed |
| Conservation of Mass | Matter is not created or destroyed, it changes form |
| Reactants | Starting materials, to the left of the arrow |
| Products | Ending Materials, to the right of the arrow |
| # of Oxygen atoms in 3H2O | 3 |
| # of Hydrogen atoms in 3H2O | 6 |
| # of Mg atoms in MgO | 1 |
| Mass of Reactants _______ Mass of Products | Equals |
| # of Carbon atoms in 2NaHCO3 | 2 |
| Replacement | Reaction where one or 2 atoms trade places with each other |
| Color Change | Main Sign of a Chemical Reaction in Heating Sugar Lab |
| Temperature (Energy) Change | Main sign of a Chemical Reaction in Rusting Iron Demonstration |
| Factors that affect the speed of a reaction | Particle size, temperature, concentration |
| Fe + O2 ---> Fe2O3 | Example of a Synthesis Reaction |
| MgCl2 ---> Mg + Cl2 | Example of a Decomposition Reaction |
| Zn + HCl ---> ZnCl2 + H2 | Example of a Replacement Reaction |