argon ar
Argon(Ar)-ArgonisachemicalelementwiththesymbolArandatomicnumber18.Itisingroup18oftheperiodictableandisanoblegas.,ArgonisachemicalelementwithsymbolArandatomicnumber18.Classifiedasanoblegas,Argonisagasatroomtemperature.,Argonisanon-flammablegasthat...
Atomicnumber,18,Relativeatomicmass,39.95;Stateat20°C,Gas,Keyisotopes·Ar;Electronconfiguration,[Ne]3s23p·CASnumber,7440-37-1.
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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.
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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.
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