Unpaired electron

Unpaired electron - electron occupying an orbital by itself rather than in a pair. Article “Unpaired electron” in English Wikipedia has 8.3 points for quality (as of July 1, 2025).

This article has the best quality in Chinese Wikipedia. However, this article is the most popular in English version.

Since the creation of article “Unpaired electron”, its content was written by 27 registered users of English Wikipedia and edited by 126 registered Wikipedia users in all languages.

The article is cited 66 times in English Wikipedia and cited 360 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #136329 in May 2017
• Global: #56954 in February 2004

The highest popularity rank from 2008:

• Local (English): #187235 in October 2012
• Global: #138442 in October 2020

There are 15 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	Chinese (zh) 不成對電子		14.8785
2	Ukrainian (uk) Неспарений електрон		13.9411
3	Vietnamese (vi) Electron độc thân		10.1922
4	Arabic (ar) إلكترون غير متزاوج		9.8164
5	English (en) Unpaired electron		8.2897
6	French (fr) Électron célibataire		8.0237
7	Greek (el) Ασύζευκτο ηλεκτρόνιο		7.5886
8	Thai (th) อิเล็กตรอนขาดคู่		7.0064
9	Korean (ko) 홀전자		6.7409
10	Japanese (ja) 不対電子		5.6838

More...

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

The most popular language versions of the article "Unpaired electron" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Unpaired electron		576 183
2	Japanese (ja) 不対電子		367 413
3	Spanish (es) Electrón desapareado		335 513
4	Italian (it) Elettrone spaiato		98 470
5	Vietnamese (vi) Electron độc thân		60 903
6	French (fr) Électron célibataire		37 654
7	Dutch (nl) Ongepaard elektron		35 224
8	Korean (ko) 홀전자		31 642
9	Ukrainian (uk) Неспарений електрон		31 398
10	Chinese (zh) 不成對電子		24 608

More...

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 "Unpaired electron" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Unpaired electron		1 688
2	Japanese (ja) 不対電子		911
3	Korean (ko) 홀전자		479
4	French (fr) Électron célibataire		204
5	Spanish (es) Electrón desapareado		167
6	Italian (it) Elettrone spaiato		142
7	Vietnamese (vi) Electron độc thân		121
8	Chinese (zh) 不成對電子		82
9	Dutch (nl) Ongepaard elektron		38
10	Persian (fa) الکترون جفت‌نشده		34

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Unpaired electron		27
2	Spanish (es) Electrón desapareado		21
3	Dutch (nl) Ongepaard elektron		20
4	Japanese (ja) 不対電子		13
5	Italian (it) Elettrone spaiato		8
6	Vietnamese (vi) Electron độc thân		6
7	Korean (ko) 홀전자		5
8	Ukrainian (uk) Неспарений електрон		5
9	Catalan (ca) Electró desaparellat		4
10	Persian (fa) الکترون جفت‌نشده		4

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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 "Unpaired electron" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Thai (th) อิเล็กตรอนขาดคู่		1
2	Arabic (ar) إلكترون غير متزاوج		0
3	Catalan (ca) Electró desaparellat		0
4	Greek (el) Ασύζευκτο ηλεκτρόνιο		0
5	English (en) Unpaired electron		0
6	Spanish (es) Electrón desapareado		0
7	Persian (fa) الکترون جفت‌نشده		0
8	French (fr) Électron célibataire		0
9	Italian (it) Elettrone spaiato		0
10	Japanese (ja) 不対電子		0

More...

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

Language versions of the article "Unpaired electron" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Unpaired electron		66
2	Italian (it) Elettrone spaiato		59
3	Japanese (ja) 不対電子		59
4	French (fr) Électron célibataire		49
5	Spanish (es) Electrón desapareado		34
6	Persian (fa) الکترون جفت‌نشده		24
7	Ukrainian (uk) Неспарений електрон		24
8	Dutch (nl) Ongepaard elektron		10
9	Chinese (zh) 不成對電子		9
10	Vietnamese (vi) Electron độc thân		7

More...

#	Language	Value
ar	Arabic إلكترون غير متزاوج
ca	Catalan Electró desaparellat
el	Greek Ασύζευκτο ηλεκτρόνιο
en	English Unpaired electron
es	Spanish Electrón desapareado
fa	Persian الکترون جفت‌نشده
fr	French Électron célibataire
it	Italian Elettrone spaiato
ja	Japanese 不対電子
ko	Korean 홀전자
nl	Dutch Ongepaard elektron
th	Thai อิเล็กตรอนขาดคู่
uk	Ukrainian Неспарений електрон
vi	Vietnamese Electron độc thân
zh	Chinese 不成對電子

Best Rank

English: #187235 10.2012

Global: #138442 10.2020

Best Rank

English: #136329 05.2017

Global: #56954 02.2004

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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