# chemical element

> species of atoms having the same number of protons in the atomic nucleus and the same chemical properties, but not necessarily the same mass, or the same stability (or half-lifetime if they are unstable)

**Wikidata**: [Q11344](https://www.wikidata.org/wiki/Q11344)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Chemical_element)  
**Source**: https://4ort.xyz/entity/chemical-element


## References

1. Compendium of Chemical Terminology
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=3497)
3. [Source](https://lingualibre.org/wiki//Q379879)
4. Nuovo soggettario
5. Freebase Data Dumps. 2013
6. BBC Things
7. YSO-Wikidata mapping project
8. General Finnish Ontology
9. BabelNet
10. UMLS 2023
11. YSA - General Finnish Thesaurus
12. FactGrid
13. National Library of Israel
14. KBpedia
15. GF WordNet