noun Download 🔗Share The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas. Examples : "The air we breathe is mostly nitrogen. " element substance chemistry science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Molecular nitrogen (N2), a colorless, odorless gas at room temperature. Examples : "The air we breathe contains nitrogen. " element substance chemistry compound material science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A specific nitrogen within a chemical formula, or a specific isotope of nitrogen Examples : "The two nitrogens are located next to one another on the ring." element chemistry substance science Chat with AIVocabulary GamePractice Reading