Assertion: nitrogen | /r/AtLocation | nitrate
Facets:
Source sentences:
text: Nitrogen received its name in 1790 from French chemist Jean-Antoine Chaptal, who realized that it was present in nitrate (NO 3 − ) and nitric acid (HNO 3 ).
text: The name nitrogène was suggested by French chemist Jean-Antoine-Claude Chaptal in 1790 when it was found that nitrogen was present in nitric acid and nitrates.