Nitrogen compounds have a very long history, ammonium chloride having been known to Herodotus. They were well-known by the Middle Ages. Alchemists knew nitric acid as See more

Dinitrogen complexes
The first example of a dinitrogen complex to be discovered was [Ru(NH3)5(N2)] (see figure at right), and soon many other such complexes were discovered. These complexes, in which a nitrogen molecule donates at least … See more

Nitrogen is the most common pure element in the earth, making up 78.1% of the volume of the atmosphere (75.5% by mass), around 3.89 million gigatonnes (3.89×10 kg). … See more

The applications of nitrogen compounds are naturally extremely widely varied due to the huge size of this class: hence, only applications of pure … See more

Gas
Although nitrogen is non-toxic, when released into an enclosed space it can displace oxygen, and … See more

Atomic
A nitrogen atom has seven electrons. In the ground state, they are arranged in the electron configuration 1s 2s 2p x2p y2p z. It, therefore, has five See more

Nitrogen gas is an industrial gas produced by the fractional distillation of liquid air, or by mechanical means using gaseous air (pressurised reverse osmosis membrane or See more