# argon

> chemical element with symbol Ar and atomic number 18; rare gas

**Wikidata**: [Q696](https://www.wikidata.org/wiki/Q696)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Argon)  
**Source**: https://4ort.xyz/entity/argon


## References

1. CRC Handbook of Chemistry and Physics (78th edition)
2. argon. Global Substance Registration System
3. [CAS Common Chemistry](https://commonchemistry.cas.org/detail?cas_rn=7440-37-1)
4. ARGON. PubChem
5. ChEBI release 2020-09-01
6. Atomic weights of the elements 2009 (IUPAC Technical Report)
7. [Source](https://www.cns11643.gov.tw/wordView.jsp?ID=90154)
8. Nuovo soggettario
9. 1C6F. Protein Data Bank
10. 1C6I. Protein Data Bank
11. 1C66. Protein Data Bank
12. 1C6C. Protein Data Bank
13. Freebase Data Dumps. 2013
14. Argon. ChemSpider
15. Integrated Authority File
16. BBC Things
17. Argon, Elemental. Hazardous Substances Data Bank. 2019
18. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry
19. YSO-Wikidata mapping project
20. Argon. ECHA Substance Infocard database
21. BabelNet
22. UMLS 2023
23. [Source](https://chem.libretexts.org/Bookshelves/General_Chemistry/Book%3A_ChemPRIME_(Moore_et_al.)/16%3A_Entropy_and_Spontaneous_Reactions/16.06%3A_Standard_Molar_Entropies)
24. ARGON. CosIng database
25. Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard
26. [Source](https://www.ashrae.org/technical-resources/standards-and-guidelines/ashrae-refrigerant-designations)
27. CABI Thesaurus
28. National Library of Israel Names and Subjects Authority File
29. KBpedia
30. GF WordNet
31. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
32. UniChem