1) About 1% of air 2) About 1% of the atmosphere 3) About one percent of air 4) An inert gas 5) Argonon 6) Atomic number 18 7) Bulb filler 8) Bulb gas 9) Chemical element 10) Chemical element 11) Colourless odourless element 12) Common inert gas 13) Common noble gas 14) Composition of some plasmas 15) Electric-bulb gas
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1) Ar 2) Gas
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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 common gas in the Earth`s atmosphere, at 0.93% (9,300 ppm), making it approximately 23.8 times as abundant as the next most common atmospheric gas, carbon dioxide (390 ppm), and more than 500 times a....
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http://en.wikipedia.org/wiki/Argon
[1908 automobile] The Argon was made by Grannaway Engineering Co, Earls Court, London S.W. in 1908. It was a fairly large touring car using a 25 hp 6-cylinder Coventry-Simplex engine. It was priced at 750 pounds. In 1905, the company was said to be planning a car deemed the Grannaway, but it is not clear whether this ever came to fruition. ...
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http://en.wikipedia.org/wiki/Argon_(1908_automobile)
An inert gas, present in the atmosphere to the extent of 0.8%
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http://jot101.com/2015/05/a-z-of-science-fiction-words/
• (n.) A substance regarded as an element, contained in the atmosphere and remarkable for its chemical inertness. • (n.) A colorless, odorless gas occurring in the air (of which it constitutes 0.93 per cent by volume), in volcanic gases, etc.; -- so named on account of its inertness by Rayleigh and Ramsay, who prepared and examined it in ...
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chemical element, inert gas of Group 0 (noble gases) of the periodic table, terrestrially the most abundant and industrially the most frequently used ... [20 related articles]
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http://www.britannica.com/eb/a-z/a/98
An element that is a member of the 8A group (Noble Gases) of the periodic table. Argon is represented by the atomic symbol Ar, has an atomic number of 18, and an atomic weight of 39.948. It is colorless, odorless, and a very inert gas. It comprises about 1% of the Earth's atmosphere.
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http://www.chemistry-dictionary.com/definition/argon.php
A colorless, odorless inert gas sometimes used in the spaces between the panes in energy efficient windows. This gas is used because it will transfer less heat than air. Therefore, it provides additional protection against conduction and convection of heat over conventional double paned windows.
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http://www.electromn.com/glossary/a.htm
(Ar) (ahr´gon) a chemical element, atomic number 18, atomic weight 39.948.
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http://www.encyclo.co.uk/local/21001
Ar'gon noun [ Greek ... inactive.]
(Chemistry) A substance regarded as an element, contained in the atmosphere and remarkable for its chemical inertness.
Rayleigh and Ramsay. Found on
http://www.encyclo.co.uk/webster/A/119
(Ar) Type: Term Pronunciation: ar′gon Definitions: 1. A gaseous element, atomic no. 18, atomic wt. 39.948, present in the dry atmosphere in the proportion of about 0.94%; one of the noble gases.
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Argon is a colourless, odourless, gaseous element found in the air and volcanic gases, and is used especially as a filler for electric bulbs and electron tubes. It has the symbol Ar.
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It is a colourless gas which has no smell.
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[
n] - a colorless and odorless inert gas
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http://www.webdictionary.co.uk/definition.php?query=argon
An inert gas. Symbol ArDiscoveredIn 1895 the chemist William Ramsay and physicist Robert John Strutt (Lord Rayleigh) discovered Argon in liquified air.AbundanceMakes up about 1% of the atmosphere.
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https://www.encyclo.co.uk/local/20687
Ar noun a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth`s atmosphere
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Colourless, odourless, non-metallic, gaseous element, atomic number 18, relative atomic mass 39.948. It is grouped with the noble gases (rare gases) in Group 0 of the periodic table of the elements. It was long believed not to react with other substances, but observations now indicate that it can be made to combine with boron fluoride to form c...
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https://www.encyclo.co.uk/local/21221
A colorless, odorless inert gas sometimes used in the spaces between the panes in energy efficient windows. This gas is used because it will transfer less heat than air. Therefore, it provides additional protection against conduction and convection of heat over conventional double -pane windows.
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https://www.encyclo.co.uk/local/22819
a colorless, odorless, chemically inactive, monatomic, gaseous element that, because of its inertness, is used for filling fluorescent and incandescent lamps and vacuum tubes. Symbol: Ar; at. no.: 18; at. wt.: 39.948.
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An inert gas that makes up less than one percent of air.
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