# technetium

> chemical element with symbol Tc and atomic number 43

**Wikidata**: [Q1054](https://www.wikidata.org/wiki/Q1054)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Technetium)  
**Source**: https://4ort.xyz/entity/technetium


## References

1. technetium atom. ChEBI
2. [CAS Common Chemistry](https://commonchemistry.cas.org/detail?cas_rn=7440-26-8)
3. Technetium. ECHA Substance Infocard database
4. TECHNETIUM. PubChem
5. ChEBI release 2020-09-01
6. Atomic weights of the elements 2009 (IUPAC Technical Report)
7. periodic table
8. [Source](https://www.cns11643.gov.tw/wordView.jsp?ID=156708)
9. Nuovo soggettario
10. Freebase Data Dumps. 2013
11. Technetium. ChemSpider
12. Characterization of steroidal glycosides from the extract of Paris Polyphylla var. Yunnanensis by UPLC/Q-TOF MSE.
13. [Source](https://www.britannica.com/science/technetium)
14. TECHNETIUM, ELEMENTAL. Hazardous Substances Data Bank. 2019
15. [Source](http://echa.europa.eu/de/information-on-chemicals/registered-substances)
16. Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard
17. CABI Thesaurus
18. National Library of Israel
19. KBpedia
20. GF WordNet
21. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
22. UniChem