ESL Saigon logo

Chemistry


Nitrogen

Name: Nitrogen
Symbol: N
Number of Energy Levels: 2
Electrons on the outer energy level: 5
Atomic number: 7
Atomic Mass: 14.00674 Amu (Atomic Mass Units)
Protons/Electrons: 7
Neutrons: 7
Density: 1.2506 g/cm3
Classification: Non-Metal

Nitrogen | Chemical elements

Top 18 interesting facts about Nitrogen

  1. Earth’s atmosphere is 78.09% Nitrogen
  2. Nitrogen is colorless, odorless, tasteless, and inert gas
  3. Nitrogen was discovered in 1772
  4. Nitrogen has very strong bond making its conversion in useful compounds very difficult
  5. Nitrogen is created in supernovas by the fusion of Hydrogen and Carbon.
  6. Nitrogen is the seventh more abundant element in the Universe
  7. Important fertilizers are produced from Nitrogen but they are water pollutants
  8. Nitrogen is found in Kevlar and antibiotics
  9. 3% of human body is Nitrogen making it the 4th abundant element in human body after Oxygen, Carbon, and Hydrogen.
  10. Nitrogen is also know in many languages as Azote which means lifeless in Greek
  11. Commercial Nitrogen is used in steelmaking industry
  12. Nitrogen liquefies at about -195 centigrade and freezes at about -210 centigrade
  13. Nitrogen has two stable isotopes: 14N and 15N
  14. Nitrogen (at normal Earth conditions) does not chemically react with most of other elements but with Lithium, Magnesium, and Calcium
  15. Nitrogen is used in food packaging to maintain food freshness
  16. Nitrogen is an inexpensive alternative to argon used in light bulbs
  17. Liquid Nitrogen is used as a refrigerant in medicine
  18. Carbon has a hexagonal crystal structure.

Back to index