Nitric oxide (nitrogenoxide or nitrogen monoxide) is a colorless gas with the formula NO. It is one of the principal oxides of nitrogen. Nitric oxide is
nitrous, factitous air, among others, is a chemical compound, an oxide of nitrogen with the formula N 2O. At room temperature, it is a colourless non-flammable
Nitrogen dioxide is a chemical compound with the formula NO2. One of several nitrogenoxides, nitrogen dioxide is a reddish-brown gas. It is a paramagnetic