Also known as element 7, N, ₇N
Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System. At standard temperature and pressure, two atoms of the element bond to form N2, a colourless and odourless diatomic gas. N2 forms about 78% of Earth's atmosphere, making it the most abundant chemical species in air. Because of the volatility of nitrogen compounds, nitrogen is relatively rare in the s
Nitrogen is a chemical element that exists as a colorless, odorless gas (N2) and makes up about 78% of the air we breathe, making it the most abundant chemical species in Earth's atmosphere. It is a common element throughout the universe and belongs to a group of nonmetals on the periodic table.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).