Argon
History
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Naming and classification
Physical properties
Reactions
Thermodynamic properties
Crystal structure
Atom properties
Electrochemical properties
Biological properties
Occurrence, isolation & synthesis
Isotopes
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Uses
History
References
Discovery
The existence of argon in air was suspected by Cavendish in 1785, but it wasn't discovered until 1894, by Lord Rayleigh and Sir William Ramsay [2].
Origin of name
From the Greek word "argos" meaning "inactive" [2].