dubnium

chemical element with symbol Db and atomic number 105
Thing chemical_element Q1232
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dubnium

Summary

dubnium is a chemical element[1]. dubnium draws 2,834 Wikipedia views per month (chemical_element category, ranking #110 of 144).[2]

Key Facts

  • dubnium is credited with the discovery of Joint Institute for Nuclear Research[3].
  • dubnium is credited with the discovery of Lawrence Berkeley National Laboratory[4].
  • dubnium's instance of is recorded as chemical element[5].
  • dubnium's instance of is recorded as synthetic element[6].
  • Dubna is named after dubnium[7].
  • dubnium's element symbol is recorded as Db[8].
  • dubnium's element symbol is recorded as Unp[9].
  • dubnium is a type of d-block[10].
  • dubnium is part of period 7[11].
  • dubnium is part of group 5[12].
  • dubnium is part of transition metal[13].
  • dubnium's Commons category is recorded as Dubnium[14].
  • dubnium's Unicode character is recorded as 𨧀[15].
  • dubnium's crystal system is recorded as body-centered cubic[16].
  • dubnium's time of discovery or invention is recorded as February 18, 1970[17].
  • dubnium's IPA transcription is recorded as ˈduːbniəm[18].
  • dubnium's IPA transcription is recorded as ˈdʌbniəm[19].
  • dubnium's topic's main category is recorded as Category:Dubnium[20].
  • dubnium's Commons gallery is recorded as Dubnium[21].
  • dubnium's atomic number is recorded as {'amount': '+105'}[22].
  • dubnium's oxidation state is recorded as {'amount': '+3'}[23].
  • dubnium's oxidation state is recorded as {'amount': '+4'}[24].
  • dubnium's oxidation state is recorded as {'amount': '+5'}[25].
  • dubnium's described by source is recorded as Armenian Soviet Encyclopedia[26].
  • dubnium's has characteristic is recorded as radioactivity[27].

Body

Definition and Type

Recorded instance of include chemical element[5] and synthetic element[6]. dubnium is a type of d-block[10].

Origins

Dubna is named after dubnium[7].

Use and Application

Part of include period 7[11], a period[28]; group 5[12], a group[29]; and transition metal[13].

Why It Matters

dubnium draws 2,834 Wikipedia views per month (chemical_element category, ranking #110 of 144).[2] dubnium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] dubnium is known by 54 alternative names across languages and contexts.[31]

References

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

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [6] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . 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] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] ↑ . Wikidata sitelinks. wikidata.org.
  3. [31] ↑ . 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). dubnium. Retrieved October 1, 2026, from https://4ort.xyz/entity/dubnium
MLA “dubnium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Oct. 2026, https://4ort.xyz/entity/dubnium.
BibTeX @misc{4ortxyz_dubnium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{dubnium}}, year = {2026}, url = {https://4ort.xyz/entity/dubnium}, note = {Accessed: 2026-10-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): dubnium — https://4ort.xyz/entity/dubnium (retrieved 2026-10-01)

Canonical URL: https://4ort.xyz/entity/dubnium · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 14d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Mass → {'amount': '+268.12567'}
    Oxidation state → {'amount': '+3'}, {'amount': '+4'}, {'amount': '+5'}
    "/* wbsetclaim-create:2||1 */ [[Property:P2067]]: 268.12567±0.00057 dalton, add the mass of the longest-lived isotope (AME via NIST)"
  2. 14d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state → {'amount': '+3'}, {'amount': '+4'}, {'amount': '+5'}
    "/* wbsetclaim-create:2||1 */ [[Property:P1121]]: 3, add oxidation state from en:Template:Infobox element/symbol-to-oxidation-state"
  3. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Ipa transcription → ˈduːbniəm, ˈdʌbniəm
    Pronunciation audio → LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-dub, LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-dub
    "/* wbsetclaim-create:2||1 */ [[Property:P898]]: ˈduːbniəm, add IPA transcription (from en:Template:Infobox element/symbol-to-pronunciation)"
  4. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Pronunciation audio → LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-dub, LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-dub
    "/* wbsetclaim-create:2||1 */ [[Property:P443]]: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-dubnium.wav, add English pronunciation audio (Lingua Libre, from en:Template:Infobox element/sy"
  5. 15d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Subclass of → d-block
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q214503]], add periodic table block (IUPAC 2021 convention)"
  6. 15d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Ionization energy → {'amount': '+6.8'}, {'amount': '+14.0'}, {'amount': '+23.1'}
    "/* wbeditentity-statements-single-property-add:1||3 */ [[Property:P2260]], import ionization energy from NIST Atomic Spectra Database"
  7. 4w ago · Baum64 · 2026-08-30 view diff on Wikidata ↗
    Subclass of → d-block
    Part of → period 7, group 5, transition metal
    "/* wbremoveclaims-remove:1| */ [[Property:P279]]: [[Q19588]], [[:toollabs:quickstatements/#/batch/269683|batch #269683]]"
  8. 5w ago · Mahirtwofivesix · 2026-08-26 view diff on Wikidata ↗
    Babelnet id → 00006830n
    "/* wbsetclaim-create:1||1 */ [[Property:P2581]]: 00006830n, added/modified IDs mapped to WordNet 3.1"
  9. 6w ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    Crystal system → body-centered cubic
    "/* wbcreateclaim-create:1| */ [[Property:P556]]: [[Q851536]], [[:toollabs:quickstatements/#/batch/269026|batch #269026]]"
  10. 12w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 1aDV2m
    Great norwegian encyclopedia id → dubnium
    "/* wbcreateclaim-create:1| */ [[Property:P14541]]: 1aDV2m, #quickstatements; #temporary_batch_1783718152792"
  11. 13w ago · ~2026-37145-11 · 2026-06-30 view diff on Wikidata ↗
    Wordnet 3.1 synset id → 14660701-n
    Arabic ontology lexical concept id → 151078456
    Great norwegian encyclopedia id → dubnium
    "/* wbsetclaim-create:2||1 */ [[Property:P4342]]: unnilpentium"
  12. 16w ago · Mahir256 · 2026-06-09 view diff on Wikidata ↗
    Aliases → —
    Atomic number → {'amount': '+105'}
    Discoverer or inventor → Joint Institute for Nuclear Research, Lawrence Berkeley National Laboratory
    Part of → —
    + 14 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|1 */ [[Property:P5063]]: i113927"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.