# lead

> chemical element with symbol Pb and atomic number 82

**Wikidata**: [Q708](https://www.wikidata.org/wiki/Q708)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lead)  
**Source**: https://4ort.xyz/entity/lead-q708


## References

1. lead. Global Substance Registration System
2. [CAS Common Chemistry](https://commonchemistry.cas.org/detail?cas_rn=7439-92-1)
3. Lead. PubChem
4. LEAD. 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=91973)
8. Nuovo soggettario
9. Freebase Data Dumps. 2013
10. Lead. ChemSpider
11. ChEBI release 2019-10-02
12. Effect of oral administration of fennel (Foeniculum vulgare) on ciprofloxacin absorption and disposition in the rat
13. Characterization of steroidal glycosides from the extract of Paris Polyphylla var. Yunnanensis by UPLC/Q-TOF MSE.
14. LEMb
15. [Source](http://www.elementalmatter.info/element-lead.htm)
16. BBC Things
17. Lead, elemental. Hazardous Substances Data Bank. 2019
18. [Standard atomic weight of lead revised. Commission on Isotopic Abundances and Atomic Weights. 2021](https://iupac.org/standard-atomic-weight-of-lead-revised/)
19. LEAD. International Chemical Safety Card
20. YSO-Wikidata mapping project
21. [Source](http://echa.europa.eu/de/information-on-chemicals/registered-substances)
22. Lead. ECHA Substance Infocard database
23. BabelNet
24. [California Proposition 65 list of chemicals](https://oehha.ca.gov/chemicals/lead-and-lead-compounds)
25. UMLS 2023
26. [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)
27. Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard
28. FactGrid
29. National Library of Israel
30. KBpedia
31. UniChem