Kobalt(II)-oksid

Cobalt(II) oxide - chemical compound. Article “Kobalt(II)-oksid” in Serbian Wikipedia has 27.3 points for quality (as of July 1, 2026). The article contains 7 references and 6 sections.

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

Since the creation of article “Kobalt(II)-oksid”, its content was written by 3 registered users of Serbian Wikipedia and edited by 302 registered Wikipedia users in all languages.

The article is cited 20 times in Serbian Wikipedia and cited 2275 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Serbian): #3720 in April 2026
• Global: #11357 in April 2012

The highest popularity rank from 2008:

• Local (Serbian): #26929 in July 2012
• Global: #221244 in November 2020

There are 27 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	German (de) Cobalt(II)-oxid		34.2274
2	Tamil (ta) கோபால்ட்(II) ஆக்சைடு		33.951
3	English (en) Cobalt(II) oxide		32.2749
4	Serbo-Croatian (sh) Kobalt(II) oksid		31.1177
5	Finnish (fi) Kobolttioksidi		29.0483
6	Korean (ko) 산화 코발트(II)		28.8661
7	Hungarian (hu) Kobalt(II)-oxid		28.756
8	Polish (pl) Tlenek kobaltu(II)		28.3212
9	Chinese (zh) 一氧化钴		28.2858
10	Serbian (sr) Kobalt(II)-oksid		27.2938

More...

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

The most popular language versions of the article "Kobalt(II)-oksid" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Cobalt(II) oxide		474 466
2	Spanish (es) Óxido de cobalto(II)		164 550
3	Japanese (ja) 酸化コバルト(II)		148 213
4	German (de) Cobalt(II)-oxid		104 971
5	Russian (ru) Оксид кобальта(II)		82 657
6	French (fr) Oxyde de cobalt(II)		37 805
7	Portuguese (pt) Óxido de cobalto(II)		35 865
8	Chinese (zh) 一氧化钴		34 009
9	Italian (it) Monossido di cobalto		24 320
10	Polish (pl) Tlenek kobaltu(II)		21 885

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 "Kobalt(II)-oksid" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Cobalt(II) oxide		944
2	German (de) Cobalt(II)-oxid		236
3	Japanese (ja) 酸化コバルト(II)		217
4	Chinese (zh) 一氧化钴		157
5	French (fr) Oxyde de cobalt(II)		142
6	Russian (ru) Оксид кобальта(II)		94
7	Spanish (es) Óxido de cobalto(II)		58
8	Italian (it) Monossido di cobalto		37
9	Dutch (nl) Kobalt(II)oxide		31
10	Polish (pl) Tlenek kobaltu(II)		31

More...

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

Language versions of the article "Kobalt(II)-oksid" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Cobalt(II) oxide		60
2	German (de) Cobalt(II)-oxid		39
3	Vietnamese (vi) Cobalt(II) oxide		31
4	Dutch (nl) Kobalt(II)oxide		19
5	Italian (it) Monossido di cobalto		17
6	Hungarian (hu) Kobalt(II)-oxid		16
7	Czech (cs) Oxid kobaltnatý		13
8	Russian (ru) Оксид кобальта(II)		11
9	Chinese (zh) 一氧化钴		11
10	Spanish (es) Óxido de cobalto(II)		10

More...

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

Language versions of the article "Kobalt(II)-oksid" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Finnish (fi) Kobolttioksidi		1
2	Korean (ko) 산화 코발트(II)		1
3	Arabic (ar) أكسيد الكوبالت الثنائي		0
4	Catalan (ca) Òxid de cobalt(II)		0
5	Czech (cs) Oxid kobaltnatý		0
6	German (de) Cobalt(II)-oxid		0
7	English (en) Cobalt(II) oxide		0
8	Spanish (es) Óxido de cobalto(II)		0
9	Persian (fa) کبالت(II) اکسید		0
10	French (fr) Oxyde de cobalt(II)		0

More...

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

Language versions of the article "Kobalt(II)-oksid" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Cobalt(II) oxide		329
2	Persian (fa) کبالت(II) اکسید		285
3	Chinese (zh) 一氧化钴		266
4	French (fr) Oxyde de cobalt(II)		204
5	Vietnamese (vi) Cobalt(II) oxide		195
6	Indonesian (id) Kobalt(II) oksida		150
7	Italian (it) Monossido di cobalto		141
8	Arabic (ar) أكسيد الكوبالت الثنائي		122
9	Tamil (ta) கோபால்ட்(II) ஆக்சைடு		121
10	Japanese (ja) 酸化コバルト(II)		94

More...

#	Language	Value
ar	Arabic أكسيد الكوبالت الثنائي
ca	Catalan Òxid de cobalt(II)
cs	Czech Oxid kobaltnatý
de	German Cobalt(II)-oxid
en	English Cobalt(II) oxide
es	Spanish Óxido de cobalto(II)
fa	Persian کبالت(II) اکسید
fi	Finnish Kobolttioksidi
fr	French Oxyde de cobalt(II)
hu	Hungarian Kobalt(II)-oxid
id	Indonesian Kobalt(II) oksida
it	Italian Monossido di cobalto
ja	Japanese 酸化コバルト(II)
ko	Korean 산화 코발트(II)
nl	Dutch Kobalt(II)oxide
pl	Polish Tlenek kobaltu(II)
pt	Portuguese Óxido de cobalto(II)
ro	Romanian Oxid de cobalt (II)
ru	Russian Оксид кобальта(II)
sh	Serbo-Croatian Kobalt(II) oksid
simple	Simple English Cobalt(II) oxide
sr	Serbian Kobalt(II)-oksid
ta	Tamil கோபால்ட்(II) ஆக்சைடு
uk	Ukrainian Оксид кобальту(II)
ur	Urdu کوبالٹ(II) آکسائیڈ
vi	Vietnamese Cobalt(II) oxide
zh	Chinese 一氧化钴

Best Rank

Serbian: #26929 07.2012

Global: #221244 11.2020

Best Rank

Serbian: #3720 04.2026

Global: #11357 04.2012

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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