# halogens

> group of chemical elements in column 17 of the periodic table

**Wikidata**: [Q19605](https://www.wikidata.org/wiki/Q19605)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Halogen)  
**Source**: https://4ort.xyz/entity/halogens


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=11718)
3. Gene Ontology release 2019-11-16
4. Nuovo soggettario
5. Freebase Data Dumps. 2013
6. Integrated Authority File
7. YSO-Wikidata mapping project
8. BabelNet
9. UMLS 2023
10. National Library of Israel
11. KBpedia
12. GF WordNet
13. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)