{"id":39061,"key":"Nitrogen","title":"Nitrogen","latest":{"id":1204878,"timestamp":"2025-11-27T14:34:19Z"},"content_model":"wikitext","license":{"url":"https://www.appropedia.org/Appropedia:Copyrights","title":"CC-BY-SA-4.0"},"source":"[[File:Liquid nitrogen dsc04496.jpg|thumb]]\n\nNitrogen is a chemical element that has the symbol N and atomic number of 7.\n\n{{Page data\n| license = CC-BY-SA-3.0\n| description = Nitrogen plays a key role in life and farming. Appropedia explains how this element connects to sustainability and food systems.\n}}\n\n[[Category:Chemical substances]]"}