File:Argon_discharge_tube.jpg · Wikimedia Commons · See Wikimedia Commons
AI overview
Argon is a chemical element and noble gas that makes up about 0.934% of Earth's atmosphere, making it the third most abundant gas in the air we breathe. It is notably more plentiful than other gases like carbon dioxide and water vapor, and is the most abundant noble gas found in Earth's crust.
AI-generated from the Wikipedia summary — may contain errors.
Chemical data
- Formula
- Ar
- Molecular weight
- 39.9 g/mol
- IUPAC name
- argon
- SMILES
- [Ar]
- InChIKey
- XKRFYHLGVUSROY-UHFFFAOYSA-N
- Polar surface area
- 0 Ų
- H-bond donors
- 0
- H-bond acceptors
- 0
- Formal charge
- 0
via PubChem
Research
21,127 papers- Argon neuroprotection in ischemic stroke and its underlying mechanism.ReviewBrain research bulletin · 2024Bao L, Liu Y, Jia Q et al.DOI: 10.1016/j.brainresbull.2024.110964
- Argon pharmacokinetics: a solubility measurement technique.Medical gas research · 2023Lemaire J, Heninger M, Louarn E et al.DOI: 10.4103/2045-9912.351106
- Xenon and Argon as Neuroprotective Treatments for Perinatal Hypoxic-Ischemic Brain Injury: A Preclinical Systematic Review and Meta-Analysis.Anesthesia and analgesia · 2025Barros M, Liang M, Iannucci N et al.DOI: 10.1213/ANE.0000000000007223
- Argon neuroprotection.Critical care (London, England) · 2010Sanders RD, Ma D, Maze MDOI: 10.1186/cc8847
- Argon: The Future Organ Protectant?Annals of cardiac anaesthesia · 2019Nair SGDOI: 10.4103/aca.ACA_180_18
- Argon: systematic review on neuro- and organoprotective properties of an "inert" gas.International journal of molecular sciences · 2014Höllig A, Schug A, Fahlenkamp AV et al.DOI: 10.3390/ijms151018175
- The Molecular Pathway of Argon-Mediated Neuroprotection.ReviewInternational journal of molecular sciences · 2016Ulbrich F, Goebel UDOI: 10.3390/ijms17111816
- Argon-stimulated nitric oxide production and its function in alfalfa cadmium tolerance.Environmental pollution (Barking, Essex : 1987) · 2023Wang J, Liu B, Jin Z et al.DOI: 10.1016/j.envpol.2023.122009
via PubMed
Wikidata facts
- Mass
- 39.95
- Image
- ArTube.jpg
Show 14 more facts
- element symbol
- Ar
- Commons category
- Argon
- atomic number
- 18
- speed of sound
- 813
- Commons gallery
- Argon
- canonical SMILES
- [Ar]
- chemical formula
- Ar
- time of discovery or invention
- 1894-00-00
- standard molar entropy
- 154.8
- dynamic viscosity
- 22.7
- Unicode character
- 氬
- electron configuration
- [Ne] 3s² 3p⁶
- melting point
- -189.34
- boiling point
- -185.85
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