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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).
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.
Element Argon (Ar), Group 18, Atomic Number 18, p-block, Mass 39.95. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
ARGON definition: 1. a chemical element that is a gas found in air. Argon does not react with other elements and is…. Learn more.
Argon, chemical element, inert gas of Group 18 (noble gases) of the periodic table, terrestrially the most abundant and industrially the most frequently used of the noble gases. It is used in gas-filled electric light bulbs, radio tubes, and Geiger counters.
Argon is an odorless, colorless monatomic gas at room temperature. Although it constitutes about 1 percent of the atmosphere, it was not discovered until 1894, when John William Strutt (Lord Rayleigh) and William Ramsay isolated it from the more reactive components of air.
What is Argon. Argon (pronunciation: AR-gon) is a colorless, odorless, inert element belonging to the group of inert gases in the periodic table and is represented by the chemical symbol Ar [1, 2, 3].
