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Nitric oxide (nitrogen oxide or nitrogen monoxide[ 1 ]) is a colorless gas with the formula NO. It is one of the principal oxides of nitrogen. Nitric oxide is a free radical: it has an unpaired electron, which is sometimes denoted by a dot in its chemical formula (• N=O or • NO).
In atmospheric chemistry: NO x (or NOx) refers to the sum of NO and NO 2. [1] [2] NO y (or NOy) refers to the sum of NO x and all oxidized atmospheric odd-nitrogen species (e.g. the sum of NO x, HNO 3, HNO 2, etc.) NO z (or NOz) = NO y − NO x; Mixed Oxides of Nitrogen ("MON"): solutions of nitric oxide in dinitrogen tetroxide/nitrogen dioxide.
Nitric oxide (nitrogen monoxide) is a molecule and chemical compound with chemical formula of N O. In mammals including humans, nitric oxide is a signaling molecule involved in several physiological and pathological processes. [ 1 ] It is a powerful vasodilator with a half-life of a few seconds in the blood.
In atmospheric chemistry, NOxis shorthand for nitric oxide(NO) and nitrogen dioxide(NO2), the nitrogen oxidesthat are most relevant for air pollution. [1][2]These gases contribute to the formation of smogand acid rain, as well as affecting tropospheric ozone. NOxgases are usually produced from the reaction between nitrogenand oxygenduring ...
Nitrogen compounds. The chemical element nitrogen is one of the most abundant elements in the universe and can form many compounds. It can take several oxidation states; but the most common oxidation states are -3 and +3. Nitrogen can form nitride and nitrate ions. It also forms a part of nitric acid and nitrate salts.
Nitrous oxide (dinitrogen oxide or dinitrogen monoxide), commonly known as laughing gas, nitrous, factitious air, among others, [ 4 ] is a chemical compound, an oxide of nitrogen with the formula N2O. At room temperature, it is a colourless non-flammable gas, and has a slightly sweet scent and taste. [ 4 ]
Although most compounds are referred to by their IUPAC systematic names ... Nitrogen dioxide – NO 2; Nitrogen monoxide – NO; ... and related compounds, not ...
The lone electron in NO 2 also means that this compound is a free radical, so the formula for nitrogen dioxide is often written as • NO 2. The reddish-brown color is a consequence of preferential absorption of light in the blue region of the spectrum (400–500 nm), although the absorption extends throughout the visible (at shorter ...