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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. Argon is the third most abundant gas in Earth's atmosphere, at 0.934% (9340 ppmv).
Jul 4, 2024 · 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.
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 (Ar) - Argon is a chemical element with the symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Know the Uses of Argon, Chemical Properties of Argon, Atomic Mass of Argon.
argon, Chemical element, chemical symbol Ar, atomic number 18. Colourless, odourless, and tasteless, it is the most abundant of the noble gas es on Earth and the one most used in industry. It constitutes about 1% of air and is obtained by distillation of liquid air.
Explore the comprehensive guide on Argon, the versatile noble gas with wide-ranging applications. Discover its history, properties, uses in industries like welding, metal production, and medicine, as well as its safety guidelines.
Oct 17, 2018 · Argon was discovered by Sir William Ramsay and Lord Rayleigh in 1894 (Scotland). Prior to the discovery, Henry Cavendish (1785) suspected some unreactive gas occurred in air. Ramsay and Rayleigh isolated argon by removing the nitrogen, oxygen, water, and carbon dioxide.
Sep 25, 2023 · Types of Argon –. Argon is a noble gas found in the Earth’s atmosphere to the tune of 0.934% by volume. As a result, it is the third most abundant gas in the atmosphere after nitrogen and oxygen. Argon is also found in the Earth’s lithosphere and hydrosphere, in trace amounts.
Argon is gotten industrially by the fractional distillation of liquid air. About 700,000 tonnes of argon are produced worldwide every year. [11] [10] 40 Ar is made by the decay of 40 K with a half-life of 1.25 billion years by electron capture or positron emission.
Argon is the 18th element in the periodic table and has a symbol of Ar and atomic number of 18. It has an atomic weight of 39.948 and a mass number of 40. Argon has eighteen protons and twenty-two neutrons in its nucleus, and eighteen electrons in three shells.
