Symbol Ar
Atomic Number 18
Atomic Mass 39.948 g.mol-1
Discovered by Sir Ramsay in 1894

Chemical Properties Of Argon

Group 18 Melting point -189 oc
Period 3 Boiling point -185.7 oc
Block p Density (g cm−3) 0.001633
Atomic number 18 Relative atomic mass 39.948
State at 20°C Gas Key isotopes 40Ar
Electron configuration [Ne] 3s23p6 CAS number 7440-37-1
ChemSpider ID 22407 ChemSpider is a free chemical structure database

What is Argon?

  • Argon is a chemical element in the eighteen group of the periodic table. It is a noble gas, and it is the third most abundant gas in earth’s atmosphere.

Uses Of Argon

  • They are used in metal industries.
  • It is used in the production of titanium.
  • It is used in double dazzled windows to fill the space between the panels.

Properties Of Argon

  • It is odourless, colourless gas that is totally inert into other substance.
  • Under extreme conditions, argon can form certain compounds even though it is a gas.
  • It is characterized by same solubility level in water as that of oxygen.
  • It has low thermal conductivity.

Certain Facts About Argon

  • Argon was suspected to be present in air by Henry Cavendish in the year 1785.
  • According to Chimcool, the majority of argon is the isotope argon-40 which emerge from radioactive decay of potassium-40.
Test your knowledge on argon!

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