indium

chemical element with symbol In and atomic number 49
Thing chemical_element Q1094
indium
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indium

Summary

indium is a chemical element[1]. indium draws 716 Wikipedia views per month (chemical_element category, ranking #82 of 144).[2]

Key Facts

  • indium is credited with the discovery of Ferdinand Reich[3].
  • indium is credited with the discovery of Hieronymous Theodor Richter[4].
  • indium's instance of is recorded as chemical element[5].
  • indium's instance of is recorded as chalcophile element[6].
  • indigo is named after indium[7].
  • indium's canonical SMILES is recorded as [In][8].
  • indium's element symbol is recorded as In[9].
  • indium's chemical formula is recorded as In[10].
  • indium is a type of period 5[11].
  • indium is a type of p-block[12].
  • indium is part of period 5[13].
  • indium is part of group 13[14].
  • indium is part of post-transition metal[15].
  • indium's Commons category is recorded as Indium[16].
  • indium's Unicode character is recorded as 銦[17].
  • indium's crystal system is recorded as tetragonal crystal system[18].
  • indium's time of discovery or invention is recorded as 1863[19].
  • indium's point group is recorded as ditetragonal-dipyramidal[20].
  • indium's space group is recorded as space group I4/mmm[21].
  • indium's IPA transcription is recorded as ˈɪndiəm[22].
  • indium's topic's main category is recorded as Category:Indium[23].
  • indium's Commons gallery is recorded as Indium[24].
  • indium's atomic number is recorded as {'amount': '+49'}[25].
  • indium's Mohs' hardness is recorded as {'amount': '+1.2'}[26].
  • indium's electronegativity is recorded as {'amount': '+1.78'}[27].

Body

Definition and Type

Recorded instance of include chemical element[5] and chalcophile element[6]. Recorded subclass of include period 5[11] and p-block[12].

Origins

indigo is named after indium[7].

Use and Application

Part of include period 5[13], a period[28]; group 13[14], a group[29]; and post-transition metal[15].

Influence

Things named for indium include indite[30], a mineral species[31].

Why It Matters

indium draws 716 Wikipedia views per month (chemical_element category, ranking #82 of 144).[2] indium has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[32] indium is known by 61 alternative names across languages and contexts.[33]

Entities named for indium include indite[30], a mineral species[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] ↑ . Ueber das Indium. wikidata.org.
  4. [4] ↑ . Ueber das Indium. wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . PubChem. Retrieved . wikidata.org.
  7. [9] ↑ . Atomic weights of the elements 2009 (IUPAC Technical Report). wikidata.org.
  8. [10] ↑ . PubChem. Retrieved . wikidata.org.
  9. [11] ↑ . periodic table. wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . cns11643.gov.tw. Retrieved . cns11643.gov.tw. Provenance: wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . Ueber das Indium. wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . periodic table. wikidata.org.
  24. [26] ↑ . Retrieved . wikidata.org.
  25. [27] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [30] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site
  3. [31] ↑ . 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. [32] ↑ . Wikidata sitelinks. wikidata.org.
  3. [33] ↑ . 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). indium. Retrieved October 3, 2026, from https://4ort.xyz/entity/indium
MLA “indium.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Oct. 2026, https://4ort.xyz/entity/indium.
BibTeX @misc{4ortxyz_indium_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{indium}}, year = {2026}, url = {https://4ort.xyz/entity/indium}, note = {Accessed: 2026-10-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): indium — https://4ort.xyz/entity/indium (retrieved 2026-10-03)

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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. 19h ago · R1F4T · 2026-10-03 view diff on Wikidata ↗
    P14936 → {'unit': 'Q192274', 'amount': '+155'}
    Wikipedia languages → ['af', 'am', 'an', 'anp', 'ar', 'ary', 'arz', 'ast', 'az', 'ba', 'ban', 'bcl', '
    P14937 → {'unit': 'Q192274', 'amount': '+142'}
    P14938 → {'unit': 'Q192274', 'amount': '+193'}
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P14936]]: 155 picometre, Add sourced P14936 element radius"
  2. 8d ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    Zvg number → 8370
    "/* wbsetclaimvalue:1| */ [[Property:P679]]: 8370, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  3. 10d ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    Oxidation state → {'amount': '-5'}, {'amount': '-2'}, {'amount': '-1'} +4
    Zvg number → 8370
    "/* wbcreateclaim-create:1| */ [[Property:P679]]: 008370, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
  4. 14d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Oxidation state → {'amount': '-5'}, {'amount': '-2'}, {'amount': '-1'} +4
    "/* wbsetclaim-create:2||1 */ [[Property:P1121]]: −5, add oxidation state from en:Template:Infobox element/symbol-to-oxidation-state"
  5. 14d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Ipa transcription → ˈɪndiəm
    "/* wbsetclaim-create:2||1 */ [[Property:P898]]: ˈɪndiəm, add IPA transcription (from en:Template:Infobox element/symbol-to-pronunciation)"
  6. 14d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Pronunciation audio → LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-ind
    "/* wbsetclaim-create:2||1 */ [[Property:P443]]: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-indium.wav, add English pronunciation audio (Lingua Libre, from en:Template:Infobox element/sym"
  7. 15d ago · R1F4T · 2026-09-19 view diff on Wikidata ↗
    Electron configuration → 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p¹, [Kr] 5s² 4d¹⁰ 5p¹
    "/* wbsetclaimvalue:1| */ [[Property:P8000]]: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p¹, correct electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 4d¹⁰ 4p⁶ 5s² 5d¹⁰ 5p¹ → 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰"
  8. 15d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Subclass of → period 5, p-block
    "/* wbsetclaim-create:2||1 */ [[Property:P279]]: [[Q214483]], add periodic table block (IUPAC 2021 convention)"
  9. 15d ago · R1F4T · 2026-09-18 view diff on Wikidata ↗
    Ionization energy → {'unit': 'Q83327', 'amount': '+5.7863558'}, {'unit': 'Q83327', 'amount': '+18.87041'}, {'unit': 'Q83327', 'amount': '+28.04415'}
    "/* wbeditentity-statements-single-property-add:1||3 */ [[Property:P2260]], import ionization energy from NIST Atomic Spectra Database"
  10. 28d ago · Baum64 · 2026-09-05 view diff on Wikidata ↗
    Has characteristic → diamagnetism
    Mohs' hardness → {'amount': '+1.2'}
    Point group → ditetragonal-dipyramidal
    "/* wbcreateclaim-create:1| */ [[Property:P589]]: [[Q13363960]], [[:toollabs:quickstatements/#/batch/270882|batch #270882]]"
  11. 4w ago · Baum64 · 2026-08-30 view diff on Wikidata ↗
    Subclass of → period 5, p-block
    Part of → period 5, group 13, post-transition metal
    "/* wbremoveclaims-remove:1| */ [[Property:P279]]: [[Q19591]], [[:toollabs:quickstatements/#/batch/269683|batch #269683]]"
  12. 5w ago · Mahirtwofivesix · 2026-08-26 view diff on Wikidata ↗
    Babelnet id → 00006879n
    Interlingual index id → i113950
    Arabic ontology lexical concept id → 151078479
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ added/modified IDs mapped to WordNet 3.1"
  13. 6w ago · KrBot bot · 2026-08-17 view diff on Wikidata ↗
    Electrical conductivity → {'unit': 'Q80842107', 'amount': '+12500000.0'}
    Poisson's ratio → {'amount': '+0.352'}
    Specific heat capacity → {'unit': 'Q3085309', 'amount': '+233.0'}
    Electrical resistivity → {'unit': 'Q1441459', 'amount': '+0.0000000837'}
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetreference-set:2| */ [[Property:P5668]]: 35,245,000,000.0 pascal"
  14. 6w ago · Baum64 · 2026-08-16 view diff on Wikidata ↗
    Space group → space group I4/mmm
    Cod id → 2100456
    "/* wbcreateclaim-create:1| */ [[Property:P9824]]: 2100456, [[:toollabs:quickstatements/#/batch/269026|batch #269026]]"
  15. 12w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 28Begh
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  16. 15w ago · Wostr · 2026-06-14 view diff on Wikidata ↗
    Instance of → chemical element, chalcophile element
    "/* wbremoveclaims-remove:1| */ [[Property:P31]]: [[Q113145171]]"
  17. 15w ago · Wikimi-dhiann · 2026-06-14 view diff on Wikidata ↗
    Instance of → chemical element, chalcophile element
    "/* wbsetclaim-create:2||1 */ [[Property:P31]]: [[Q113145171]]"
  18. 20w ago · Ponor · 2026-05-16 view diff on Wikidata ↗
    Discoverer or inventor → Ferdinand Reich, Hieronymous Theodor Richter
    Subclass of → period 5, p-block
    Vapor pressure → {'unit': 'Q6859652', 'amount': '+0'}
    Topic's main category → Category:Indium
    + 24 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31836|batch #31836]]: Hrvatska enciklopedija"
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