plutonium

radioactive chemical element with symbol Pu and atomic number 94
Thing chemical_element Q1102
plutonium
Press Enter · cited answer in seconds

plutonium

Summary

plutonium is a chemical element[1]. plutonium draws 145 Wikipedia views per month (chemical_element category, ranking #25 of 144).[2]

Key Facts

  • plutonium is credited with the discovery of Glenn T. Seaborg[3].
  • plutonium is credited with the discovery of Edwin McMillan[4].
  • plutonium is credited with the discovery of Arthur Wahl[5].
  • plutonium is credited with the discovery of Joseph W. Kennedy[6].
  • plutonium's instance of is recorded as chemical element[7].
  • plutonium's instance of is recorded as radioactive element[8].
  • Pluto is named after plutonium[9].
  • plutonium's canonical SMILES is recorded as [Pu][10].
  • plutonium's element symbol is recorded as Pu[11].
  • plutonium's chemical formula is recorded as Pu[12].
  • plutonium is a type of actinide[13].
  • plutonium is a type of heavy metal[14].
  • plutonium is a type of f-block[15].
  • plutonium is part of period 7[16].
  • plutonium is part of actinide[17].
  • plutonium's Commons category is recorded as Plutonium[18].
  • plutonium's Unicode character is recorded as 鈽[19].
  • plutonium's crystal system is recorded as monoclinic crystal system[20].
  • plutonium's time of discovery or invention is recorded as January 1, 1941[21].
  • plutonium's IPA transcription is recorded as pluːˈtoʊniəm[22].
  • plutonium's topic's main category is recorded as Category:Plutonium[23].
  • plutonium's Commons gallery is recorded as Plutonium[24].
  • plutonium's atomic number is recorded as {'amount': '+94'}[25].
  • plutonium's electronegativity is recorded as {'amount': '+1.28'}[26].
  • plutonium's oxidation state is recorded as {'amount': '+2'}[27].

Body

Definition and Type

Recorded instance of include chemical element[7] and radioactive element[8]. Recorded subclass of include actinide[13], heavy metal[14], and f-block[15].

Origins

Pluto is named after plutonium[9].

Use and Application

Part of include period 7[16], a period[28] and actinide[17], a chemical series[29].

Why It Matters

plutonium draws 145 Wikipedia views per month (chemical_element category, ranking #25 of 144).[2] plutonium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[30] plutonium is known by 37 alternative names across languages and contexts.[31]

References

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

Direct Wikidata claims

  1. [7] ↑ . wikidata.org.
  2. [8] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . PubChem. Retrieved . wikidata.org.
  9. [11] ↑ . Atomic weights of the elements 2009 (IUPAC Technical Report). wikidata.org.
  10. [12] ↑ . PubChem. Retrieved . 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] ↑ . cns11643.gov.tw. Retrieved . cns11643.gov.tw. Provenance: 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). plutonium. Retrieved October 3, 2026, from https://4ort.xyz/entity/plutonium
MLA “plutonium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Oct. 2026, https://4ort.xyz/entity/plutonium.
BibTeX @misc{4ortxyz_plutonium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{plutonium}}, year = {2026}, url = {https://4ort.xyz/entity/plutonium}, note = {Accessed: 2026-10-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): plutonium — https://4ort.xyz/entity/plutonium (retrieved 2026-10-03)

Canonical URL: https://4ort.xyz/entity/plutonium · 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. 22h ago · R1F4T · 2026-10-03 view diff on Wikidata ↗
    P14936 → {'unit': 'Q192274', 'amount': '+175'}
    Wikipedia languages → ['af', 'als', 'am', 'an', 'anp', 'ar', 'ary', 'arz', 'ast', 'az', 'azb', 'ba', '
    P14937 → {'unit': 'Q192274', 'amount': '+187'}
    Crystal system → monoclinic crystal system
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P14936]]: 175 picometre, Add sourced P14936 element radius"
  2. 14d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state → {'amount': '+2'}, {'amount': '+3'}, {'amount': '+4'} +4
    Mass → {'unit': 'Q483261', 'amount': '+244.0642053'}
    "/* wbsetclaim-create:2||1 */ [[Property:P2067]]: 244.0642053±0.0000056 dalton, add the mass of the longest-lived isotope (AME via NIST)"
  3. 14d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state → {'amount': '+2'}, {'amount': '+3'}, {'amount': '+4'} +4
    "/* wbsetclaim-create:2||1 */ [[Property:P1121]]: 2, add oxidation state from en:Template:Infobox element/symbol-to-oxidation-state"
  4. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Ipa transcription → pluːˈtoʊniəm
    "/* wbsetclaim-create:2||1 */ [[Property:P898]]: pluːˈtoʊniəm, add IPA transcription (from en:Template:Infobox element/symbol-to-pronunciation)"
  5. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Pronunciation audio → LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-plu
    "/* wbsetclaim-create:2||1 */ [[Property:P443]]: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-plutonium.wav, add English pronunciation audio (Lingua Libre, from en:Template:Infobox element/"
  6. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Electron configuration → [Rn] 7s² 5f⁶
    "/* wbsetclaim-create:2||1 */ [[Property:P8000]]: [Rn] 7s² 5f⁶, add electron configuration from NIST ASD ground levels"
  7. 15d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Subclass of → actinide, heavy metal, f-block
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q214680]], add periodic table block (IUPAC 2021 convention)"
  8. 15d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Ionization energy → {'unit': 'Q83327', 'amount': '+6.02576'}
    Linear thermal expansion coefficient → {'unit': 'Q56025776', 'amount': '+49.6'}
    "/* wbsetclaim-create:1||1 */ [[Property:P2260]]: 6.02576±0.00025 electronvolt, import ionization energy from NIST Atomic Spectra Database"
  9. 28d ago · Baum64 · 2026-09-05 view diff on Wikidata ↗
    Has characteristic → paramagnetism
    Subclass of → actinide, heavy metal, f-block
    "/* wbcreateclaim-create:1| */ [[Property:P1552]]: [[Q188479]], [[:toollabs:quickstatements/#/batch/270882|batch #270882]]"
  10. 5w ago · Baum64 · 2026-08-29 view diff on Wikidata ↗
    Subclass of → actinide, heavy metal, f-block
    "/* wbcreateclaim-create:1| */ [[Property:P279]]: [[Q19577]], [[:toollabs:quickstatements/#/batch/269656|batch #269656]]"
  11. 5w ago · Mahirtwofivesix · 2026-08-26 view diff on Wikidata ↗
    Interlingual index id → i113984
    Thermal conductivity → {'unit': 'Q1463969', 'amount': '+6.74'}
    Specific heat capacity → {'unit': 'Q3085309', 'amount': '+130.0'}
    Electrical conductivity → {'unit': 'Q80842107', 'amount': '+680000.0'}
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-statements-multiple-properties-update:0||3 */ added/modified IDs mapped to WordNet 3.1"
  12. 6w ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    Density → {'unit': 'Q844211', 'amount': '+18532.1'}
    Cod id → 1525989
    "/* wbcreateclaim-create:1| */ [[Property:P9824]]: 1525989, [[:toollabs:quickstatements/#/batch/269026|batch #269026]]"
  13. 12w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 3FjCyy, 1RqtOh, I5Zek
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  14. 15w ago · Susmuffin · 2026-06-15 view diff on Wikidata ↗
    Harper's tag → plutonium
    "/* wbsetclaim-create:1||1 */ [[Property:P13772]]: plutonium, Matched to [[:toollabs:mix-n-match/#/entry/289950511|plutonium (#289950511)]] in [[:toollabs:mix-n-match/#/catalog/7915|Harper's tag]] #mix"
  15. 20w ago · Twofivesixbot bot · 2026-05-17 view diff on Wikidata ↗
    Hrvatska enciklopedija id → plutonij
    Topic has template → Template:Infobox plutonium
    On focus list of wikimedia project → Wikipedia:Vital articles/Level/4
    Instance of → —
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|4 */ [[Property:P2347]]: 4992, mv to monolingual text names on YSO statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.