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More About Argon

Noble Gases

 

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Argon

What the name means: The word Argon comes from the Greek a-ergon (ārgon), meaning no work or inactive.

Argon

Argon atom

Argon atom

 

Who identified argon?: Argon was identified by John William Strutt (Lord Rayleigh) and William Ramsay in 1894. They presented their findings to the British Association for the Advancement of Science and it was the chairman at that time who suggested the name Argon because the gas was inert. Argon was the first of the noble gases to be identified. It caused a problem for the scientists because it did not seem to fit into the periodic table. Eventually it was realised that another column needed to be added to the right of the existing table to accommodate this new gas. It was then obvious that there must be other gases that would complete the group and Ramsay continued his research to identify them. Both Strutt and Ramsay were awarded Nobel Prizes in 1904 for their work in identifying the noble gases.

 

Properties

ARPROPS

STP = standard temperature and pressure.
Usually considered as room temperature and pressure.

 

About argon: Argon makes up just less than 1% of the Earth's atmosphere. It can also be detected in small amounts in certain minerals and meteorites. The fact that it does not readily react with other elements makes it very useful for filling light bulbs, for example. The filament will glow in argon but will not react with the gas. All the noble gases are monatomic.

 

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