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period 9

period 9 (row 9) of the periodic table (today, theoretical only)
Thing period Q986218
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period 9

Summary

period 9 is a period[1]. It draws 1 Wikipedia views per month (period category, ranking #33 of 34).[2]

Key Facts

  • period 9's instance of is recorded as period[3].
  • period 9's follows is recorded as period 8[4].
  • period 9's followed by is recorded as period 10[5].
  • period 9's has part is recorded as chemical element[6].
  • period 9's Freebase ID is recorded as /m/0n_h_mc[7].

Why It Matters

period 9 draws 1 Wikipedia views per month (period category, ranking #33 of 34).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[8] It is known by 9 alternative names across languages and contexts.[9]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [8] ↑ . Wikidata sitelinks. wikidata.org.
  3. [9] ↑ . 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). period 9. Retrieved May 3, 2026, from https://4ort.xyz/entity/period-9
MLA “period 9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/period-9.
BibTeX @misc{4ortxyz_period-9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{period 9}}, year = {2026}, url = {https://4ort.xyz/entity/period-9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): period 9 — https://4ort.xyz/entity/period-9 (retrieved 2026-05-03)

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