Argon is the most abundant noble gas in Earth's crust, comprising 0.00015% of the crust. Nearly all argon in Earth's atmosphere is radiogenic argon-40, derived from the decay of potassium-40 in Earth's crust. In the universe, argon-36 is by far the most common argon isotope, as it is the most easily produced by stellar nucleosynthesis in ... Argon is a chemical element, an inert gas of Group 18 (noble gases) of the periodic table. It is 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 has no known biological role. Argon makes up 0.94% of the Earth’s atmosphere and is the third most abundant atmospheric gas. Levels have gradually increased since the Earth was formed because radioactive potassium-40 turns into argon as it decays. Argon is obtained commercially by the distillation of liquid air. Out of the box, Argon provides access to the most comprehensive collection of secondary data spanning medical literature, company information, and preclinical to commercial assets. Argon is a chemical element. Its symbol is argon is Ar and its atomic number is 18. It is part of the noble gas group. It is an odorless and tasteless gas. Argon is the third-most abundant gas in the Earth 's atmosphere. The name "argon" is from the Greek word ἀργός meaning "lazy" or "inactive" because it does not react with other chemicals. For related background details, please refer to our report on diagram of a manhole. Esta obra contiene una traducción parcial derivada de « Argon » de Wikipedia en inglés, concretamente de esta versión, publicada por sus editores bajo la Licencia de documentación libre de GNU y la Licencia Creative Commons Atribución-CompartirIgual 4.0 Internacional.

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