The Element Nitrogen


If I say that nitrogen is leading the way here on earth, would you believe it? My statement is based on the fact that nitrogen encompasses 78.082% of dry air volume and 75.3% dry air weight in the earth’s atmosphere. Nitrogen is also present in all living organisms in the form of proteins, nucleic acids and other molecules and encompasses about 3% of weight in the human body. 

The most famous neutral hydride of nitrogen is ammonia which comes with many industrial uses, especially in the field of agriculture in the form of fertilizers. A major hazard of nitrogen is nitrogen dissolving in the bloodstream and body fats which leads to a lethal condition known as decompression sickness.

Atomic Number & Chemical Properties


Element Basics:

Chemical Symbol: N
Atomic Number: 7
Atomic Weight: 14.00674
Element Classification: Non-Metal
Discovered By: Daniel Rutherford
Date of Discovery: 1772 (Scotland)
Origin of Name: Greek: nitron and genes, (soda forming).

How to Recognize it at a Party:

Colorless, odorless, tasteless, and generally inert gas

Seriously Atomic Information:

Density (g/cc): 0.808 (@ -195.8°C)
Melting Point (°K): 63.29
Boiling Point (°K): 77.4
Atomic Radius (pm): 92
Atomic Volume (cc/mol): 17.3
Covalent Radius (pm): 75
Ionic Radius: 13 (+5e) 171 (-3e)
Pauling Negativity Number: 3.04
First Ionizing Energy (kJ/mol): 1401.5
Oxidation States: 5, 4, 3, 2, -3
Electronic Configuration: [He] 2s2 2p3

Getting Intimate with Nitrogen:

Lattice Structure: Hexagonal (HEX)
Lattice Constant (Å): 4.039
Lattice C/A Ratio: 1.651
Specific Heat (@20°C J/g mol): 1.042 (N-N)
Fusion Heat (kJ/mol): n/a
Evaporation Heat (kJ/mol): n/a
Thermal Conductivity (@25°C W/m K):
Debye Temperature (°K): n/a


Society's Questions About Nitrogen:

Have you ever wondered what everyone else in the world thinks about Nitrogen? Is anyone else looking for it too? If so, why? What do they want?

The following list shows the most common online questions about the element Nitrogen. Are your questions the same or different from everyone else's?

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