Assertion: nitrogen dioxide's gas | /r/HasProperty | nitrogen monoxide
Facets:
Source sentences:
text: Other gases belonging to this group are nitrogen monoxide (or nitrous oxide, N 2 O), and nitrogen pentoxide (NO 5 ).
text: Nitrogen dioxide, or NO 2 , is a gaseous air pollutant composed of nitrogen and oxygen and is one of a group of related gases called nitrogen oxides, or NOx.