Chemical substance

Quality:

Chemical substance - matter of constant composition best characterized by the entities (molecules, formula units, atoms) it is composed of and characterized by physical properties like density. Article “Chemical substance” in Simple English Wikipedia has 30.7 points for quality (as of July 1, 2026). The article contains 1 references and 3 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 substance”, its content was written by 32 registered users of Simple English Wikipedia (6129^th place) and edited by 2075 registered Wikipedia users in all languages.

The article is cited 406 times in Simple English Wikipedia (7061^st place) and cited 14805 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #300 in December 2019
• Global: #1300 in June 2012

The highest popularity rank from 2008:

• Local (Simple English): #681 in October 2012
• Global: #5466 in September 2008

There are 48 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) Substance (chemistry)		60.4807
2	Indonesian (id) Zat kimia		47.0117
3	Catalan (ca) Substància química		46.2802
4	Japanese (ja) 化学物質		37.8734
5	Chinese (zh) 化学物质		37.6009
6	Norwegian (Nynorsk) (nn) Kjemisk stoff		35.1677
7	Spanish (es) Sustancia química		34.5235
8	Russian (ru) Вещество (химия)		32.7264
9	Serbian (sr) Хемијска супстанца		31.7659
10	Persian (fa) ماده شیمیایی		31.1218

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

#	Language	Popularity award	Relative popularity
1	English (en) Substance (chemistry)		7 975 702
2	Spanish (es) Sustancia química		4 459 868
3	Portuguese (pt) Substância		2 483 566
4	German (de) Stoff (Chemie)		878 231
5	Japanese (ja) 化学物質		584 094
6	Indonesian (id) Zat kimia		574 531
7	Ukrainian (uk) Речовина		566 980
8	Arabic (ar) مادة كيميائية		516 536
9	Italian (it) Sostanza pura		490 971
10	French (fr) Substance chimique		490 114

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) Substance (chemistry)		15 410
2	Spanish (es) Sustancia química		1 223
3	Indonesian (id) Zat kimia		922
4	French (fr) Substance chimique		916
5	Russian (ru) Вещество (химия)		808
6	Japanese (ja) 化学物質		751
7	Portuguese (pt) Substância		741
8	German (de) Stoff (Chemie)		685
9	Persian (fa) ماده شیمیایی		610
10	Chinese (zh) 化学物质		550

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

#	Language	AI award	Relative AI
1	English (en) Substance (chemistry)		587
2	German (de) Stoff (Chemie)		162
3	Spanish (es) Sustancia química		162
4	Portuguese (pt) Substância		110
5	Dutch (nl) Stof (scheikunde)		72
6	Turkish (tr) Kimyasal madde		61
7	Italian (it) Sostanza pura		57
8	Japanese (ja) 化学物質		57
9	Czech (cs) Látka		54
10	French (fr) Substance chimique		50

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) Substance (chemistry)		2
2	Esperanto (eo) Ĥemia substanco		1
3	French (fr) Substance chimique		1
4	Romanian (ro) Substanță chimică		1
5	Serbian (sr) Хемијска супстанца		1
6	Ukrainian (uk) Речовина		1
7	Urdu (ur) کیمیائی شے		1
8	Arabic (ar) مادة كيميائية		0
9	Azerbaijani (az) Maddə		0
10	Belarusian (be) Хімічнае рэчыва		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