Chemical species

Chemical species - chemically identical molecular entities that can have the same set of molecular energy levels. Article “Chemical species” in Simple English Wikipedia has 13 points for quality (as of July 1, 2026). The article contains 2 references and 1 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Simple English) language version.

Since the creation of article “Chemical species”, its content was written by 7 registered users of Simple English Wikipedia and edited by 259 registered Wikipedia users in all languages.

The article is cited 23 times in Simple English Wikipedia and cited 1470 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #3720 in October 2015
• Global: #42820 in June 2003

The highest popularity rank from 2008:

• Local (Simple English): #2273 in September 2018
• Global: #110812 in November 2020

There are 24 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Chemical species		26.5664
2	Korean (ko) 화학종		25.631
3	Hindi (hi) रासायनिक स्पीशीज़		23.3553
4	German (de) Spezies (Chemie)		22.2663
5	Italian (it) Specie chimica		19.8273
6	Persian (fa) گونه‌های شیمیایی		17.4732
7	Serbian (sr) Hemijska vrsta		17.2205
8	Norwegian (no) Kjemiske specier		15.9815
9	Serbo-Croatian (sh) Hemijska vrsta		15.6519
10	Romanian (ro) Specie chimică		14.492

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Chemical species" in all the time

#	Language	Popularity award	Relative popularity
1	French (fr) Espèce chimique		493 055
2	English (en) Chemical species		492 465
3	Spanish (es) Especie química		374 324
4	Italian (it) Specie chimica		119 388
5	Arabic (ar) نوع كيميائي		77 346
6	Portuguese (pt) Espécie química		65 962
7	Turkish (tr) Kimyasal tür		56 206
8	German (de) Spezies (Chemie)		53 829
9	Simple English (simple) Chemical species		52 318
10	Japanese (ja) 化学種		49 660

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Chemical species" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Chemical species		1 852
2	French (fr) Espèce chimique		341
3	Japanese (ja) 化学種		118
4	Spanish (es) Especie química		117
5	Italian (it) Specie chimica		93
6	German (de) Spezies (Chemie)		86
7	Portuguese (pt) Espécie química		35
8	Korean (ko) 화학종		31
9	Simple English (simple) Chemical species		31
10	Swedish (sv) Species (kemi)		21

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Chemical species" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	French (fr) Espèce chimique		47
2	English (en) Chemical species		46
3	German (de) Spezies (Chemie)		29
4	Italian (it) Specie chimica		23
5	Spanish (es) Especie química		17
6	Portuguese (pt) Espécie química		15
7	Hebrew (he) צורון כימי		12
8	Arabic (ar) نوع كيميائي		9
9	Simple English (simple) Chemical species		7
10	Greek (el) Χημικό είδος		6

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Chemical species" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	English (en) Chemical species		1
2	Arabic (ar) نوع كيميائي		0
3	Catalan (ca) Espècie química		0
4	German (de) Spezies (Chemie)		0
5	Greek (el) Χημικό είδος		0
6	Esperanto (eo) Kemia specio		0
7	Spanish (es) Especie química		0
8	Persian (fa) گونه‌های شیمیایی		0
9	French (fr) Espèce chimique		0
10	Hebrew (he) צורון כימי		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Chemical species" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	French (fr) Espèce chimique		378
2	English (en) Chemical species		207
3	Italian (it) Specie chimica		168
4	Spanish (es) Especie química		87
5	Catalan (ca) Espècie química		71
6	Greek (el) Χημικό είδος		64
7	Japanese (ja) 化学種		63
8	Arabic (ar) نوع كيميائي		61
9	Portuguese (pt) Espécie química		58
10	German (de) Spezies (Chemie)		46

More...

#	Language	Value
ar	Arabic نوع كيميائي
ca	Catalan Espècie química
de	German Spezies (Chemie)
el	Greek Χημικό είδος
en	English Chemical species
eo	Esperanto Kemia specio
es	Spanish Especie química
fa	Persian گونه‌های شیمیایی
fr	French Espèce chimique
he	Hebrew צורון כימי
hi	Hindi रासायनिक स्पीशीज़
id	Indonesian Spesi kimia
it	Italian Specie chimica
ja	Japanese 化学種
ko	Korean 화학종
no	Norwegian Kjemiske specier
pt	Portuguese Espécie química
ro	Romanian Specie chimică
sh	Serbo-Croatian Hemijska vrsta
simple	Simple English Chemical species
sr	Serbian Hemijska vrsta
sv	Swedish Species (kemi)
tr	Turkish Kimyasal tür
uk	Ukrainian Хімічна форма

Best Rank

Simple English: #2273 09.2018

Global: #110812 11.2020

Best Rank

Simple English: #3720 10.2015

Global: #42820 06.2003

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information