Definition
- A chemical compound is a chemical substance formed from two or more elements, with a fixed ratio determining the composition.
A Few Examples
| Common Name | Formula | Composition |
| Table Salt | NaCl | 1 atom of sodium + 1 atom of chlorine |
| Water | H2O | 2 atoms of hydrogen + 1 atom of oxygen |
| Methane | CH4 | 1 atom of carbon + 4 atoms of hydrogen |
| Limestone | CaCO3 | 1 atom of calcium + 1 atom of carbon + 3 atoms of oxygen |
| Sulphuric Acid | H2SO4 | 2 atoms of hydrogen + 1 atom of sulphur + 4 atoms of oxygen |
| Glucose | C6H12O6 | 6 atoms of carbon + 12 atoms of hydrogen + 6 atoms of oxygen |
