Nitrogen is a chemical element with symbol N and atomic number 7. It is the lightest pnictogen and at room temperature, it is a transparent, odorless diatomic gas.
Nitrogen is essential to life on Earth. It is a component of all proteins and it can be found in all living systems. Nitrogen compounds are present in organic ...
Nitrogen is an odorless, tasteless, colorless nonmetallic chemical element which appears in great abundance in the Earth's atmosphere. It also appears in a number of ...
Element Nitrogen (N), Group 15, Atomic Number 7, p-block, Mass 14.007. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Nitrogen is a Group 15 element. Nitrogen makes up about 78% of the atmosphere by volume but the atmosphere of Mars contains less than 3% nitrogen.
Nitrogen and the CNO Cycle. When the universe’s first generation of stars was born, they contained only the elements made in the big bang: hydrogen, helium, and a ...
What's in a name? From the Greek words nitron and genes, which together mean "saltpetre forming." Say what? Nitrogen is pronounced as NYE-treh-gen.
noun, Chemistry. 1. a colorless, odorless, gaseous element that constitutes about four-fifths of the volume of the atmosphere and is present in combined form in ...
Nitrogen is an element is used to prevent things from reacting with the oxygen in the air. It can be used to fill crisp bags and incandescent bulbs.
The chief thing in his eyes was not the nitrogen in the soil, nor the oxygen in the air, nor manures, nor special plows, but that most important agent by which ...