NO2(g) stands for nitrogen dioxide, a reddish-brown gas composed of one nitrogen atom bonded with two oxygen atoms. It is an air pollutant and contributes to smog formation.
Related terms
Nitrogen Oxides (NOx): Nitrogen oxides are a group of gases that include NO2 and other compounds formed during high-temperature combustion processes such as in vehicle engines and power plants.
Smog: Smog refers to a mixture of pollutants, including nitrogen oxides, ozone, volatile organic compounds (VOCs), and particulate matter. It usually forms in urban areas with heavy traffic or industrial activity.
Air Pollution: Air pollution refers to the presence of harmful substances or excessive amounts of certain natural substances in the atmosphere, which can negatively impact human health and the environment.