| Exothermic |
| A reaction that releases energy in the form of light, heat or sound. They may produce so much energy as to cause an explosion. |
| An example of an exothermic reaction is the mixture of sodium and chlorine to yield table salt. This reaction produces 411 kJ of energy for each mole of salt that is produced: |
| 2Na(s) + Cl2(g) |
 See Also
|
| Endothermic. |