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argon
chemical element with symbol Ar and atomic number 18; rare gas
Details
- Instance of
- chemical element, gas, atmophile element
- Subclass of
- noble gases
- Part of
- period 3, noble gases
- atomic number
- 18
- boiling point
- -185.85
- canonical SMILES
- [Ar]
- chemical formula
- Ar
- described by source
- Brockhaus and Efron Encyclopedic Dictionary, The Nuttall Encyclopædia, Small Brockhaus and Efron Encyclopedic Dictionary, Encyclopædia Britannica 11th edition, Armenian Soviet Encyclopedia, vol. 2, The New Student's Reference Work, Great Soviet Encyclopedia (1926–1947)
- discoverer or inventor
- William Ramsay, John William Strutt
- dynamic viscosity
- 22.7
- electron configuration
- 1s² 2s² 2p⁶ 3s² 3p⁶, [Ne] 3s² 3p⁶
- element symbol
- Ar
- has characteristic
- colorlessness, tastelessness, odorlessness
- has use
- food additive
- mass
- 39.95
- melting point
- -189.34
- named after
- laziness
- speed of sound
- 813
- standard molar entropy
- 154.8
- time of discovery or invention
- 1894
- topic's main category
- Category:Argon
- Unicode character
- 氬
Connected on Wikidata
Notable work of
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