இலாந்தனைடு குறுக்கம்

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இலாந்தனைடு குறுக்கம்

Quality:

Lanthanide contraction - decrease of ionic radii across the lanthanide series. Article “இலாந்தனைடு குறுக்கம்” in Tamil Wikipedia has 27.6 points for quality (as of July 1, 2025). The article contains 3 references and 3 sections.

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

Since the creation of article “இலாந்தனைடு குறுக்கம்”, its content was written by 3 registered users of Tamil Wikipedia and edited by 224 registered Wikipedia users in all languages.

The highest Authors Interest rank from 2001:

  • Local (Tamil): #2997 in July 2017
  • Global: #84758 in September 2018

The highest popularity rank from 2008:

  • Local (Tamil): #13714 in July 2017
  • Global: #197142 in March 2018

There are 18 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Lanthanide contraction
30.498
2Tamil (ta)
இலாந்தனைடு குறுக்கம்
27.5534
3Slovenian (sl)
Lantanoidna kontrakcija
27.1563
4Arabic (ar)
انكماش لانثانيدي
23.4198
5Hungarian (hu)
Lantanoidakontrakció
22.1284
6Catalan (ca)
Contracció dels lantànids
21.8968
7Chinese (zh)
镧系收缩
21.1841
8Indonesian (id)
Kontraksi lantanida
21.1052
9Portuguese (pt)
Contração dos lantanídeos
20.9967
10German (de)
Lanthanoidenkontraktion
19.7342
More...

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

Most popular in all the time

The most popular language versions of the article "இலாந்தனைடு குறுக்கம்" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Lanthanide contraction
873 889
2German (de)
Lanthanoidenkontraktion
102 137
3Spanish (es)
Contracción lantánida
87 704
4Chinese (zh)
镧系收缩
58 692
5Russian (ru)
Лантаноидное сжатие
56 349
6Italian (it)
Contrazione lantanoidea
32 607
7French (fr)
Contraction des lanthanides
27 022
8Korean (ko)
란타넘족 수축
17 754
9Indonesian (id)
Kontraksi lantanida
13 024
10Portuguese (pt)
Contração dos lantanídeos
10 910
More...

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

Most popular in June 2025

The most popular language versions of the article "இலாந்தனைடு குறுக்கம்" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Lanthanide contraction
2 845
2German (de)
Lanthanoidenkontraktion
261
3Chinese (zh)
镧系收缩
243
4Russian (ru)
Лантаноидное сжатие
129
5Korean (ko)
란타넘족 수축
112
6French (fr)
Contraction des lanthanides
110
7Spanish (es)
Contracción lantánida
93
8Italian (it)
Contrazione lantanoidea
84
9Portuguese (pt)
Contração dos lantanídeos
56
10Hungarian (hu)
Lantanoidakontrakció
31
More...

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

The highest AI

Language versions of the article "இலாந்தனைடு குறுக்கம்" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Lanthanide contraction
86
2German (de)
Lanthanoidenkontraktion
34
3Italian (it)
Contrazione lantanoidea
21
4French (fr)
Contraction des lanthanides
16
5Russian (ru)
Лантаноидное сжатие
12
6Chinese (zh)
镧系收缩
11
7Spanish (es)
Contracción lantánida
10
8Portuguese (pt)
Contração dos lantanídeos
6
9Korean (ko)
란타넘족 수축
5
10Ukrainian (uk)
Лантаноїдне стиснення
5
More...

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

The highest AI in June 2025

Language versions of the article "இலாந்தனைடு குறுக்கம்" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Lanthanide contraction
1
2Arabic (ar)
انكماش لانثانيدي
0
3Catalan (ca)
Contracció dels lantànids
0
4German (de)
Lanthanoidenkontraktion
0
5Spanish (es)
Contracción lantánida
0
6French (fr)
Contraction des lanthanides
0
7Hungarian (hu)
Lantanoidakontrakció
0
8Indonesian (id)
Kontraksi lantanida
0
9Italian (it)
Contrazione lantanoidea
0
10Korean (ko)
란타넘족 수축
0
More...

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

The highest CI

Language versions of the article "இலாந்தனைடு குறுக்கம்" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Russian (ru)
Лантаноидное сжатие
81
2English (en)
Lanthanide contraction
48
3Spanish (es)
Contracción lantánida
25
4Italian (it)
Contrazione lantanoidea
24
5Chinese (zh)
镧系收缩
24
6Serbian (sr)
Лантаноидна контракција
18
7German (de)
Lanthanoidenkontraktion
17
8Indonesian (id)
Kontraksi lantanida
16
9French (fr)
Contraction des lanthanides
13
10Korean (ko)
란타넘족 수축
12
More...

Scores

Estimated value for Wikipedia:
Tamil:
Global:
Popularity in June 2025:
Tamil:
Global:
Popularity in all years:
Tamil:
Global:
Authors in June 2025:
Tamil:
Global:
Registered authors in all years:
Tamil:
Global:
Citations:
Tamil:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
انكماش لانثانيدي
caCatalan
Contracció dels lantànids
deGerman
Lanthanoidenkontraktion
enEnglish
Lanthanide contraction
esSpanish
Contracción lantánida
frFrench
Contraction des lanthanides
huHungarian
Lantanoidakontrakció
idIndonesian
Kontraksi lantanida
itItalian
Contrazione lantanoidea
koKorean
란타넘족 수축
ptPortuguese
Contração dos lantanídeos
roRomanian
Contracția lantanidelor
ruRussian
Лантаноидное сжатие
slSlovenian
Lantanoidna kontrakcija
srSerbian
Лантаноидна контракција
taTamil
இலாந்தனைடு குறுக்கம்
ukUkrainian
Лантаноїдне стиснення
zhChinese
镧系收缩

Popularity rank trends

Best Rank Tamil:
#13714
07.2017
Global:
#197142
03.2018

AI rank trends

Best Rank Tamil:
#2997
07.2017
Global:
#84758
09.2018

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Lanthanide contraction from Wikipedia articles about Rare earth element, Mercury, Relativistic quantum chemistry, Hafnium and Lanthanide. Whereas reading the article about Lanthanide contraction people most often go to Wikipedia articles on Relativistic quantum chemistry, Lanthanide, Shielding effect, D-block contraction and Atomic radius.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 13 October 2025

On 13 October 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Diane Keaton, Ed Gein, 2026 FIFA World Cup qualification, 2026 FIFA World Cup, 2026 FIFA World Cup qualification (UEFA), Ian Watkins, 2026 FIFA World Cup qualification (CAF), Ilse Koch, Donald Trump, ChatGPT.

In Tamil Wikipedia the most popular articles on that day were: ஆதவ் அர்ஜுனா, ஆ. ப. ஜெ. அப்துல் கலாம், மு. கருணாநிதி, தமிழ்த் திரைப்படங்களின் பட்டியல் (ஆண்டு வரிசை), கோபால்சாமி துரைசாமி, தீபாவளி, சுப்பிரமணிய பாரதி, இட்லி கடை, பழனி பாபா, திருக்குறள்.

About WikiRank

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