| A | B |
|---|
| Elements combining | Compound |
| Subscript | The number of atoms in a compound |
| Coefficient | The number of molecules |
| Antoine Lavoisier | Created law of conservation of mass |
| ---> | Produces |
| (g) | Gas |
| (s) | Solid |
| (l) | Liquid |
| (aq) | Dissolved in water |
| Binary Compound | Made of two elements |
| Polyatomic Ion | Made of three or more elements |
| Synthesis Reaction | Two or more substances coming together to form a new substance A + B --> C |
| Decomposition Reaction | A substance breaking down into two or more substances AB --> A + B |
| Single-Displacement Reaction | When element replaces another in a compound A + BC --> AC + B |
| Double-Displacement Reaction | AB + CD --> AD + BC |
