nitrogen

Nitrogen is a chemical element found in nature. It is a colorless, odorless gas that makes up about 78% of the Earth's atmosphere. Nitrogen is essential for all living things as it is a key part of proteins, DNA, and other important molecules in the body.

Symbol

The chemical symbol for nitrogen is N.

Also Check: Osmosis | Octane Number | Corrosion

Related Links:  Fluorine | Isomerism | Iodine

Uses

  1. Fertilizers: Nitrogen is a major component of fertilizers, which help plants grow. It is essential for plant nutrition.
  2. Industrial Use: Nitrogen is used in industries to create ammonia, which is then used to produce other chemicals.
  3. Food Preservation: Nitrogen gas is used to keep packaged foods fresh by preventing oxidation.
  4. Medical Use: Liquid nitrogen is used in cryogenics, which involves freezing and preserving biological samples.
  5. Explosives: Nitrogen is a key ingredient in explosives like TNT and nitroglycerin.

Properties

  • Physical State: At room temperature, nitrogen is a gas.
  • Color and Odor: Nitrogen is colorless and odorless.
  • Solubility: It is not very soluble in water.
  • Reactivity: Nitrogen is relatively inert, meaning it does not react easily with other elements. This makes it stable and safe to use in various applications.

Atomic Information

  • Atomic Number: The atomic number of nitrogen is 7. This means each nitrogen atom has 7 protons in its nucleus.
  • Atomic Mass: The average atomic mass of nitrogen is about 14.01 atomic mass units (amu).
  • Electron Configuration: The electrons in a nitrogen atom are arranged in the pattern 1s2 2s2 2p2.
  • Isotopes: Nitrogen has two stable isotopes, N-14 and N-15. N-14 is the most common isotope.

Frequently Asked Questions on nitrogen

Nitrogen gas is N2.

Nitrogen is called nitrogen.

The main use of nitrogen is to make fertilizers.

Nitrogen gas is used to keep things fresh and in making electronics.

Nitrogen gas is N2.

Nitrogen has 3 valency; it forms three bonds in compounds.