What is the chemical name for nitrogen dioxide?

Nitrogen dioxide is a chemical compound that consists of one nitrogen atom and two oxygen atoms. The chemical formula for this compound is NO2.

The nomenclature follows the conventions set by the IUPAC naming system, where prefixes are used to indicate the number of atoms present in the molecular formula. The prefix 'di-' signifies that there are two oxygen atoms in the molecule, resulting in the name 'dioxide' for the two oxygen atoms paired with nitrogen.

This systematic naming helps in clearly identifying the compound based on its molecular composition, and in this case, the correct answer reflects the accurate composition and naming of nitrogen dioxide as NO2.