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- Nitrogen (pronounced as Nye-treh-gen) is a chemical element, existing in the form of a colorless diatomic gas. Denoted by the chemical symbol N, it belongs to the family of nonmetals. It is the fifth most abundant element in the earth’s crust, represented by the molecular formula N 2 [1, 2].
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Learn about nitrogen gas with this guide for KS3 chemistry students aged 11-14 from BBC Bitesize.
3 days ago · Nitrogen, nonmetallic element of Group 15 [Va] of the periodic table. It is a colorless, odorless, tasteless gas that is the most plentiful element in Earth’s atmosphere and is a constituent of all living matter. Its atomic number is 7 and it is denoted by the symbol ‘N’ in the periodic table.
The seventh element of the periodic table between carbon and oxygen is nitrogen. It’s an important part of amino acids. Around eighty per cent of the Earth’s atmosphere comprises nitrogen gas. It has no colour, mostly diatomic non-metal gas which is odourless and colourless in nature.
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- Daniel Rutherford in 1772
- It is the fifth most abundant element in the universe, making up about 78 per cent of the atmosphere on earth, and contains an estimated 4,000 tril...
- Nitrogen is used as an effective way to prevent oxidation and provides a safe, inert atmosphere which “sweeps” off furnace-generated gases. This is...
- A wide range of microorganisms called diazotrophs, including bacteria such as azotobacter, and archaea, naturally conduct nitrogen fixation in the...
- Bacteria transform airborne nitrogen and carbon dioxide into functional components that can be used as basic building blocks by plants and animals....
- In the form of nitrate (NO 3 − ) and ammonium (NH 4 + ), plants absorb nitrogen from the soil. Nitrate is typically the predominant type of absorbe...
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.
What is Nitrogen. Nitrogen (pronounced as Nye-treh-gen) is a chemical element, existing in the form of a colorless diatomic gas. Denoted by the chemical symbol N, it belongs to the family of nonmetals. It is the fifth most abundant element in the earth’s crust, represented by the molecular formula N 2 [1, 2].
- 195.795°C (-320.431°F) [1]
- 210°C (-346°F) [1]
- Colorless [1]
- less [4]
Plant, animals, and humans would not be able to live without nitrogen, but the nitrogen in the air is unusable, it needs to be chemically bonded with other elements to form useful compounds for life. Important molecules like amino acids, proteins, and nucleic acids (e.g. DNA) all contain nitrogen.
3 days ago · Nitrogen is a colourless, odourless gas, which condenses at −195.8 °C to a colourless, mobile liquid. The element exists as N 2 molecules, represented as :N:::N:, for which the bond energy of 226 kilocalories per mole is exceeded only by that of carbon monoxide, 256 kilocalories per mole.
