SO₂ refers to sulfur dioxide, which is an oxide compound composed of one sulfur atom bonded to two oxygen atoms. It is also one of the products formed in the given equation.
Related terms
Diatomic Molecule: A molecule made up of two atoms chemically bonded together.
Acid Rain: Rainfall with a lower pH due to dissolved acidic compounds like sulfur dioxide and nitrogen oxides.
Combustion: A rapid chemical reaction between a fuel and an oxidant, often producing heat and light energy.