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Several of the CPK colors refer mnemonically to colors of the pure elements or notable compound. For example, hydrogen is a colorless gas, carbon as charcoal, graphite or coke is black, sulfur powder is yellow, chlorine is a greenish gas, bromine is a dark red liquid, iodine in ether is violet, amorphous phosphorus is red, rust is dark orange-red, etc.
English: A molecular dynamics simulation of high-density argon gas at 300 K. Argon-argon interactions are described using a Lennard-Jones potential. The gas density is 5282 mol per cubic meter. The pressure is approximately 13200 kPa.
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. [10] Argon is the third most abundant gas in Earth's atmosphere, at 0.934% (9340 ppmv).
Zvezda produces a large number of kits in various categories, ranging from historical collections with themes including World War I and II; The Middle Ages and the Ancient world of Greeks and Romans; to modern military models as well as a few Science fiction diorama pieces.
Berkeley Models, Inc. was an American company that manufactured model-airplane kits that pioneered such firsts as the nation's first gas model plane kit, and which became one of the industry's leading companies. Founded in the Brooklyn borough of New York City, New York, and later based in West Hempstead, New York, it lasted from 1933 to 1962.
Jo-Han also produced 1/25-scale plastic kits of the 1966 Marlin, [24] (Jo-Han # C1900) and it was reissued in the mid-1970s in the "U.S.A. Oldies" series (Jo-Han # C-3666). [21] They are based on the promotional models, but are less valuable today. Steve Magnante of Hot Rod wrote that these unassembled model kits are increasing in value. [25]
Carl Goldberg: model aircraft designer and industry executive; Kevin Gowland, John Gowland and Jack Gowland: co-founders of Gowland and Gowland; the company's Highway Pioneers line of early car model kits was marketed by Revell in the early '50s, and was instrumental in the early growth of the scale model hobby in the US.
The term inert gas is context-dependent because several of the inert gases, including nitrogen and carbon dioxide, can be made to react under certain conditions. [1] [2] Purified argon gas is the most commonly used inert gas due to its high natural abundance (78.3% N 2, 1% Ar in air) [3] and low relative cost.