# astatine

> chemical element with symbol At and atomic number 85

**Wikidata**: [Q999](https://www.wikidata.org/wiki/Q999)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Astatine)  
**Source**: https://4ort.xyz/entity/astatine


## References

1. ChEBI release 2020-09-01
2. Atomic weights of the elements 2009 (IUPAC Technical Report)
3. [Source](https://lingualibre.org/wiki//Q379881)
4. [Source](https://www.cns11643.gov.tw/wordView.jsp?ID=208446)
5. Freebase Data Dumps. 2013
6. Astatine, atomic. ChemSpider
7. [Estimation Chemical Form Boiling Point Elementary Astatine by Radio Gas Chromatography. 1982](http://www.mendeley.com/research/estimation-chemical-form-boiling-point-elementary-astatine-radio-gas-chromatography/)
8. YSO-Wikidata mapping project
9. BabelNet
10. UMLS 2023
11. National Library of Israel
12. KBpedia
13. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
14. UniChem