Argon Matt dalton

Argon facts

  • The element symbol for Argon is AR. Its name is From the Greek word for inactive, Argos.
  • The atomic number for Argon is 18.
  • Argon has 18 protons, 22 neutrons, and 18 electrons.
  • The atomic mass for Argon is 38.948

More facts about Argon

  • Argon is classified as a nonmetal.
  • Argon was discovered by Sir William Ramsay, a Scottish chemist, and Lord Rayleigh, an English chemist, in 1894.
  • Argon can be used to form inert atmosphere for arc welding, growing semiconductor crystals and processes that require shielding from other atmospheric gas.
  • It was once thought to be completely inert, argon is known to form at least one compound.
  • Argon fluorohydride begins to decompose once it warms above -246°C (-411°F).
  • The density of Argon is 0.0017.
  • Argon does not react with any substances. Its the 3rd most prevarent gas in the earths atmosphere, found at 9,300 parts per million. Its makes up 1.28%of the earths atmosphere and was the first nodel gas to be discovered.


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