# berkelium

> chemical element with symbol Bk and atomic number 97

**Wikidata**: [Q1882](https://www.wikidata.org/wiki/Q1882)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Berkelium)  
**Source**: https://4ort.xyz/entity/berkelium


## References

1. berkelium. Global Substance Registration System
2. [CAS Common Chemistry](https://commonchemistry.cas.org/detail?cas_rn=7440-40-6)
3. BERKELIUM. PubChem
4. ChEBI release 2020-09-01
5. Atomic weights of the elements 2009 (IUPAC Technical Report)
6. [Source](https://lingualibre.org/wiki//Q379887)
7. [Source](https://www.cns11643.gov.tw/wordView.jsp?ID=222810)
8. Freebase Data Dumps. 2013
9. Berkelium. ChemSpider
10. berkelium atom. ChEBI
11. BabelNet
12. Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard
13. National Library of Israel
14. KBpedia
15. GF WordNet
16. UniChem