Chemical species

Chemical species - chemically identical molecular entities that can have the same set of molecular energy levels. Article “Chemical species” in English Wikipedia has 26.1 points for quality (as of July 1, 2025). The article contains 10 references and 4 sections.

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

In June 2025 the article “Chemical species” was edited by 1 authors in English Wikipedia and written by 1 authors in all languages.

Since the creation of article “Chemical species”, its content was written by 43 registered users of English Wikipedia and edited by 254 registered Wikipedia users in all languages.

The article is cited 167 times in English Wikipedia and cited 1391 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #30534 in March 2004
• Global: #42822 in June 2003

The highest popularity rank from 2008:

• Local (English): #205213 in November 2018
• Global: #109684 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, 2025 (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		26.0867
2	Hindi (hi) रासायनिक स्पीशीज़		23.3573
3	German (de) Spezies (Chemie)		22.3049
4	Italian (it) Specie chimica		20.7401
5	Persian (fa) گونه‌های شیمیایی		18.694
6	Serbian (sr) Hemijska vrsta		17.0891
7	Norwegian (no) Kjemiske specier		16.0528
8	Serbo-Croatian (sh) Hemijska vrsta		15.6069
9	Romanian (ro) Specie chimică		14.493
10	Korean (ko) 화학종		14.0978

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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		485 848
2	English (en) Chemical species		471 115
3	Spanish (es) Especie química		370 899
4	Italian (it) Specie chimica		117 442
5	Arabic (ar) نوع كيميائي		76 696
6	Portuguese (pt) Espécie química		65 384
7	Turkish (tr) Kimyasal tür		55 861
8	German (de) Spezies (Chemie)		52 748
9	Simple English (simple) Chemical species		52 480
10	Japanese (ja) 化学種		48 170

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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 2025

#	Language	Popularity award	Relative popularity
1	English (en) Chemical species		1 757
2	Simple English (simple) Chemical species		588
3	French (fr) Espèce chimique		433
4	Spanish (es) Especie química		284
5	Japanese (ja) 化学種		207
6	Italian (it) Specie chimica		145
7	German (de) Spezies (Chemie)		123
8	Korean (ko) 화학종		89
9	Portuguese (pt) Espécie química		70
10	Turkish (tr) Kimyasal tür		49

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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		43
3	German (de) Spezies (Chemie)		29
4	Italian (it) Specie chimica		23
5	Spanish (es) Especie química		16
6	Portuguese (pt) Espécie química		15
7	Hebrew (he) צורון כימי		10
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 2025

#	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		373
2	English (en) Chemical species		167
3	Italian (it) Specie chimica		164
4	Spanish (es) Especie química		89
5	Catalan (ca) Espècie química		67
6	Greek (el) Χημικό είδος		65
7	Japanese (ja) 化学種		62
8	Arabic (ar) نوع كيميائي		61
9	Portuguese (pt) Espécie química		55
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

English: #205213 11.2018

Global: #109684 11.2020

Best Rank

English: #30534 03.2004

Global: #42822 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 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information