The reaction between magnesium (Mg) and oxygen (O2) results in the formation of magnesium oxide (MgO). This reaction is a classic example of a metal combining with oxygen to form an oxide. The balanced chemical equation for the reaction is as follows:
2 Mg + O2 -> 2 MgO
In this equation, two atoms of magnesium react with one molecule of oxygen gas to produce two molecules of magnesium oxide.
The reaction between magnesium and oxygen is highly exothermic, meaning it releases a significant amount of heat energy. It is also a redox reaction, as magnesium loses electrons (oxidation) and oxygen gains electrons (reduction) during the process.
Magnesium oxide (MgO) is a white, powdery substance with high melting and boiling points. It is an inorganic compound commonly known as magnesia and is widely used in various applications such as refractory materials, electrical insulation, and as a component in cement and ceramics.