What is the equation for the formation of MgO?

The formation of magnesium oxide (MgO) occurs when magnesium (Mg) reacts with oxygen (O₂) in the air. This is a combustion reaction where magnesium burns with a bright white flame, forming magnesium oxide as a product.

Balanced Chemical Equation:

2Mg+O2→2MgO2Mg + O_2 \rightarrow 2MgO

Explanation of the Reaction:

1. Magnesium (Mg) is a metal that readily reacts with oxygen in the air.
2. Oxygen (O₂) is a diatomic molecule, meaning it exists as two oxygen atoms bonded together.
3. When heated, magnesium reacts with oxygen, forming magnesium oxide (MgO), a white solid.

Type of Reaction:

• Combination reaction (two reactants form one product)
• Oxidation reaction (magnesium gains oxygen)
• Exothermic reaction (releases heat and light)

This reaction is commonly seen in chemistry labs when burning magnesium ribbon, producing a bright flame and a white powder (MgO).