NO2 - or more precisely nitrogen. Who can say where the nitrogen in the air comes from? Not from water by any chance? At last they took up the study of water. "Oh, how many wonderful discoveries the spirit of enlightenment prepares for us!" - Pushkin.
gus_massa an hour ago |
No, the compound is Cl-N-NO₂⁻
It combines a cloride with some nitrogens. Some compound with cloride are very toxic, some are sell as sweateners [1], so it's difficult for me to estimate how toxic this is.