Oxidation state

Quality:

Oxidation number - number that describes degree of oxidation of an atom in a chemical compound; the hypothetical charge that an atom would have if all bonds to atoms of different elements were fully ionic. Article “Oxidation state” in Simple English Wikipedia has 35.4 points for quality (as of July 1, 2026). The article contains 12 references and 5 sections.

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

In June 2026 the article “Oxidation state” was edited by 2 authors in Simple English Wikipedia (1012^th place) and written by 9 authors in all languages.

Since the creation of article “Oxidation state”, its content was written by 20 registered users of Simple English Wikipedia and edited by 1686 registered Wikipedia users in all languages.

The article is cited 355 times in Simple English Wikipedia (7824^th place) and cited 13031 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #572 in August 2020
• Global: #3265 in October 2011

The highest popularity rank from 2008:

• Local (Simple English): #3573 in June 2018
• Global: #6219 in November 2008

There are 52 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) Oxidation state		98.6572
2	Indonesian (id) Bilangan oksidasi		98.1786
3	Arabic (ar) حالة الأكسدة		71.5176
4	Portuguese (pt) Estado de oxidação		60.6096
5	Slovenian (sl) Oksidacijsko stanje		59.7212
6	Serbian (sr) Оксидационо стање		54.6705
7	Catalan (ca) Estat d'oxidació		48.2257
8	Spanish (es) Estado de oxidación		37.8644
9	Tamil (ta) ஆக்சிசனேற்ற நிலை		36.3927
10	Korean (ko) 산화수		36.3043

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

#	Language	Popularity award	Relative popularity
1	English (en) Oxidation state		7 634 406
2	Spanish (es) Estado de oxidación		5 233 901
3	German (de) Oxidationszahl		1 915 813
4	Russian (ru) Степень окисления		1 699 745
5	Italian (it) Stato di ossidazione		1 093 524
6	French (fr) Nombre d'oxydation		1 049 124
7	Indonesian (id) Bilangan oksidasi		955 740
8	Polish (pl) Stopień utlenienia		738 058
9	Portuguese (pt) Estado de oxidação		498 717
10	Japanese (ja) 酸化数		495 727

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

#	Language	Popularity award	Relative popularity
1	English (en) Oxidation state		5 904
2	German (de) Oxidationszahl		1 475
3	Spanish (es) Estado de oxidación		1 176
4	Russian (ru) Степень окисления		860
5	French (fr) Nombre d'oxydation		766
6	Czech (cs) Oxidační číslo		540
7	Japanese (ja) 酸化数		484
8	Polish (pl) Stopień utlenienia		446
9	Italian (it) Stato di ossidazione		427
10	Chinese (zh) 氧化数		367

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

#	Language	AI award	Relative AI
1	English (en) Oxidation state		366
2	German (de) Oxidationszahl		158
3	Spanish (es) Estado de oxidación		118
4	French (fr) Nombre d'oxydation		86
5	Italian (it) Stato di ossidazione		67
6	Russian (ru) Степень окисления		61
7	Czech (cs) Oxidační číslo		54
8	Dutch (nl) Oxidatietoestand		44
9	Polish (pl) Stopień utlenienia		41
10	Portuguese (pt) Estado de oxidação		38

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

#	Language	AI award	Relative AI
1	English (en) Oxidation state		2
2	Simple English (simple) Oxidation state		2
3	Basque (eu) Oxidazio-egoera		1
4	Indonesian (id) Bilangan oksidasi		1
5	Italian (it) Stato di ossidazione		1
6	Serbian (sr) Оксидационо стање		1
7	Tamil (ta) ஆக்சிசனேற்ற நிலை		1
8	Arabic (ar) حالة الأكسدة		0
9	Belarusian (be) Ступень акіслення		0
10	Bulgarian (bg) Степен на окисление		0

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

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

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