thallium

chemical element with symbol Tl and atomic number 81
Thing chemical_element Q932
thallium
Thallium.jpg: Tomihahndorf at de.wikipedia derivative work: Materialscientist (talk) · Public Domain · Wikimedia
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thallium

Summary

thallium is a chemical element[1]. thallium draws 868 Wikipedia views per month (chemical_element category, ranking #59 of 144).[2]

Key Facts

  • thallium is credited with the discovery of William Crookes[3].
  • thallium's image is recorded as Thallium-croprotated.jpg[4].
  • thallium's image is recorded as Thallium pieces in ampoule.jpg[5].
  • thallium's instance of is recorded as chemical element[6].
  • thallium's instance of is recorded as chalcophile element[7].
  • thallus is named after thallium[8].
  • thallium's GND ID is recorded as 4059684-9[9].
  • thallium's CAS Registry Number is recorded as 7440-28-0[10].
  • thallium's EC number is recorded as 231-138-1[11].
  • thallium's canonical SMILES is recorded as [Tl][12].
  • thallium's InChI is recorded as InChI=1S/Tl[13].
  • thallium's InChIKey is recorded as BKVIYDNLLOSFOA-UHFFFAOYSA-N[14].
  • thallium's Library of Congress authority ID is recorded as sh85134473[15].
  • thallium's element symbol is recorded as Tl[16].
  • thallium's Bibliothèque nationale de France ID is recorded as 11956478c[17].
  • thallium's chemical formula is recorded as Tl[18].
  • thallium's subclass of is recorded as post-transition metal[19].
  • thallium's NDL Authority ID is recorded as 00572717[20].
  • thallium's part of is recorded as period 6[21].
  • thallium's part of is recorded as group 13[22].
  • thallium's Commons category is recorded as Thallium[23].
  • thallium's MeSH descriptor ID is recorded as D013793[24].
  • thallium's Unicode character is recorded as 鉈[25].
  • thallium's BNCF Thesaurus ID is recorded as 43733[26].
  • thallium's time of discovery or invention is recorded as +1861-00-00T00:00:00Z[27].

Body

Works and Contributions

thallium is credited with the discovery of William Crookes[3].

Why It Matters

thallium draws 868 Wikipedia views per month (chemical_element category, ranking #59 of 144).[2] thallium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[28] thallium is known by 23 alternative names across languages and contexts.[29]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . wikidata.org.
  4. [7] . wikidata.org.
  5. [3] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . ChEBI. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  9. [11] . Global Substance Registration System. Retrieved . wikidata.org.
  10. [12] . PubChem. Retrieved . wikidata.org.
  11. [13] . PubChem. Retrieved . wikidata.org.
  12. [14] . PubChem. Retrieved . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . Atomic weights of the elements 2009 (IUPAC Technical Report). wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . PubChem. Retrieved . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . cns11643.gov.tw. Retrieved . cns11643.gov.tw. Provenance: wikidata.org.
  24. [26] . Nuovo soggettario. wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). thallium. Retrieved May 3, 2026, from https://4ort.xyz/entity/thallium
MLA “thallium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/thallium.
BibTeX @misc{4ortxyz_thallium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{thallium}}, year = {2026}, url = {https://4ort.xyz/entity/thallium}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): thallium — https://4ort.xyz/entity/thallium (retrieved 2026-05-03)

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