₁₈Ar (Argon)

Argon was discovered by Sir William Ramsay, a Scottish chemist, and Lord Rayleigh, an English chemist, in 1894. Argon makes up 0.93% of the earth's atmosphere, making it the third most abundant gas. Argon is obtained from the air as a byproduct of the production of oxygen and nitrogen.

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Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third-most abundant gas in the atmosphere of Earth.

Atomic Weight:   39.948

Density:   1.784 g/l

Melting Point:   -189.3 °C

Boiling Point:   -185.8 °C

Copyright Reserved 2018 by Christian Felix Alavazo