# thallium

> chemical element with symbol Tl and atomic number 81

**Wikidata**: [Q932](https://www.wikidata.org/wiki/Q932)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Thallium)  
**Source**: https://4ort.xyz/entity/thallium


## References

1. thallium. ChEBI
2. [CAS Common Chemistry](https://commonchemistry.cas.org/detail?cas_rn=7440-28-0)
3. THALLIUM. Global Substance Registration System
4. THALLIUM. 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=149556)
8. Nuovo soggettario
9. Freebase Data Dumps. 2013
10. Thallium. ChemSpider
11. Integrated Authority File
12. THALLIUM, ELEMENTAL. Hazardous Substances Data Bank. 2019
13. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry
14. Thallium. ECHA Substance Infocard database
15. UMLS 2023
16. CABI Thesaurus
17. National Library of Israel
18. KBpedia
19. GF WordNet
20. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
21. UniChem