argon ar
Argon(Ar)-ArgonisachemicalelementwiththesymbolArandatomicnumber18.Itisingroup18oftheperiodictableandisanoblegas.,ArgonisachemicalelementwithsymbolArandatomicnumber18.Classifiedasanoblegas,Argonisagasatroomtemperature.,Argonisanon-flammablegasthat...
氬（ㄧㄚˇ）（英語：Argon），是化學元素，化學符號Ar，原子序數18，位在週期表的第18族，常溫下是無色無味的惰性氣體。氬佔大氣體積0.934%（9340ppmv），是地球 ...
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Argon (Ar)
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.
Argon
Argon is a chemical element with symbol Ar and atomic number 18. Classified as a noble gas, Argon is a gas at room temperature.
Argon (Ar)
Argon is a non-flammable gas that forms 0.9 per cent of the earth's atmosphere. Most commonly used in the metal industry for metal production, ...
Argon
2024年5月24日 — argon (Ar), chemical element, inert gas of Group 18 (noble gases) of the periodic table, terrestrially the most abundant and industrially ...
Argon (Ar)
Atomic number. 18. Atomic mass. 39.948 g.mol -1. Electronegativity according to Pauling. unknown. Density. 1.78.10 -3 g.cm -3 at 0 °C. Melting point.
Argon
Atomic number, 18, Relative atomic mass, 39.95 ; State at 20°C, Gas, Key isotopes · Ar ; Electron configuration, [Ne] 3s23p · CAS number, 7440-37-1.
Argon
: argon. Chemical formula: Ar Purity level: ≥ 99.996% Relative density (air = 1): 1.38. Aspect: colourless gas. Odour: odourless gas. Limit of flammability in ...
氬
氬 （ ㄧㄚˇ ） （英語：Argon），是化學元素，化學符號Ar，原子序數18，位在週期表的第18族，常溫下是無色無味的惰性氣體。氬佔大氣體積0.934%（9340 ppmv），是地球 ...
