# alkali metal

> group of chemical elements

**Wikidata**: [Q19557](https://www.wikidata.org/wiki/Q19557)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alkali_metal)  
**Source**: https://4ort.xyz/entity/alkali-metal


## References

1. Library of Congress
2. RAMEAU
3. Nuovo soggettario
4. Freebase Data Dumps. 2013
5. Biblioteca Nacional de España
6. [Registros de autoridad de "Materia" de la Biblioteca Nacional de España. Spain open data portal](https://www.bne.es/media/datosgob/catalogo-autoridades/materia/materia-UTF8.zip)
7. YSO-Wikidata mapping project
8. BabelNet
9. UMLS 2023
10. [Source](https://encyklopedia.pwn.pl/haslo/litowce;3933259.html)
11. National Library of Israel
12. KBpedia
13. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)