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face-centered cubic (fcc) ( cF4) Argon is a chemical element; it has symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. [9] Argon is the third most abundant gas in Earth's atmosphere, at 0.934% (9340 ppmv ).
Jul 4, 2024 · Argon is a colourless, odourless, and tasteless noble gas that is the most abundant and industrially useful of the noble gases. It is produced by the decay of potassium-40 in rocks and is used in gas-filled devices, welding, and semiconductor production.
Element Argon (Ar), Group 18, Atomic Number 18, p-block, Mass 39.95. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Jump to main content
Argon is a colourless, odourless, and tasteless noble gas that makes up about 1% of air. It is used in welding, lightbulbs, lasers, Geiger counters, and dating rocks and samples.
Feb 20, 2015 · Argon is an inert, colorless and odorless element — one of the Noble gases. Used in fluorescent lights and in welding, this element gets its name from the Greek word for "lazy," an homage to how...
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Definition, mass & chemical names. Argon. Argon is a rare and inert gas and belong to the Nobel gases. It was discovered by Sir William Ramsay and Lord Rayleigh in 1894. It emits unique and sharp spectral lines and is widely used in high speed photography and lasers.
