Discussion Topic |
Replies (estimated) |
Archive Link
|
113 and 115 have been created - maybe |
3 |
Talk:Periodic table/Archive 1#113 and 115 have been created - maybe
|
I am looking for NaCi |
0 |
Talk:Periodic table/Archive 1#I am looking for NaCi
|
elementd that gains one electron |
0 |
Talk:Periodic table/Archive 1#elementd that gains one electron
|
Suggestions |
1 |
Talk:Periodic table/Archive 2#Suggestions
|
Naturally occuring elements |
3 |
Talk:Periodic table/Archive 2#Naturally occuring elements
|
Lanthanides and Actinides (Inconsistency) |
10 |
Talk:Periodic table/Archive 2#Lanthanides and Actinides (Inconsistency)
|
The element naming controversy |
2 |
Talk:Periodic table/Archive 2#The element naming controversy
|
Synthetic / natual elements |
2 |
Talk:Periodic table/Archive 2#Synthetic / natual elements
|
Most obtuse editing |
1 |
Talk:Periodic table/Archive 2#Most obtuse editing
|
5g subshell? |
7 |
Talk:Periodic table/Archive 2#5g subshell?
|
Capitalisation |
1 |
Talk:Periodic table/Archive 2#Capitalisation
|
Uhh.. Not a good source for wikipedia. |
2 |
Talk:Periodic table/Archive 2#Uhh.. Not a good source for wikipedia.
|
atomic mass |
1 |
Talk:Periodic table/Archive 2#atomic mass
|
periodic table changes |
2 |
Talk:Periodic table/Archive 2#periodic table changes
|
New periodic table? |
2 |
Talk:Periodic table/Archive 3#New periodic table?
|
Faulty display of dotted borders |
6 |
Talk:Periodic table/Archive 3#Faulty display of dotted borders
|
Lanthanum/Actinium and Lutetium/Lawrencium |
2 |
Talk:Periodic table/Archive 3#Lanthanum/Actinium and Lutetium/Lawrencium
|
why there is only 8 groups in periodic table and not more??? |
1 |
Talk:Periodic table/Archive 3#why there is only 8 groups in periodic table and not more???
|
There are already long-awaited interesting discoveries among the last alternative periodical tables |
1 |
Talk:Periodic table/Archive 3#There are already long-awaited interesting discoveries among the last alternative periodical tables
|
Duplicate articles? |
3 |
Talk:Periodic table/Archive 3#Duplicate articles?
|
Feedback from Non-Scientist |
2 |
Talk:Periodic table/Archive 3#Feedback from Non-Scientist
|
Group VII? |
3 |
Talk:Periodic table/Archive 3#Group VII?
|
Tarantola table |
2 |
Talk:Periodic table/Archive 3#Tarantola table
|
Hello? |
2 |
Talk:Periodic table/Archive 3#Hello?
|
Table layout test |
1 |
Talk:Periodic table/Archive 3#Table layout test
|
Primordial plutonium? |
3 |
Talk:Periodic table/Archive 3#Primordial plutonium?
|
Dotted lines |
0 |
Talk:Periodic table/Archive 3#Dotted lines
|
Electron shells table |
1 |
Talk:Periodic table/Archive 3#Electron shells table
|
Mendeleev question |
1 |
Talk:Periodic table/Archive 3#Mendeleev question
|
Solid Borders |
1 |
Talk:Periodic table/Archive 3#Solid Borders
|
TfD nomination of Template:Periodic table |
2 |
Talk:Periodic table/Archive 3#TfD nomination of Template:Periodic table
|
Layout |
1 |
Talk:Periodic table/Archive 3#Layout
|
Semi-protection? |
12 |
Talk:Periodic table/Archive 3#Semi-protection?
|
Unsepthexium |
5 |
Talk:Periodic table/Archive 3#Unsepthexium
|
Bring table close to the top? |
8 |
Talk:Periodic table/Archive 4#Bring table close to the top?
|
Errr...help? |
2 |
Talk:Periodic table/Archive 4#Errr...help?
|
Too much high-school chemistry |
6 |
Talk:Periodic table/Archive 4#Too much high-school chemistry
|
Differences in classification of groups |
5 |
Talk:Periodic table/Archive 4#Differences in classification of groups
|
Confirmed elements vague |
3 |
Talk:Periodic table/Archive 4#Confirmed elements vague
|
So Where is Oil? |
4 |
Talk:Periodic table/Archive 4#So Where is Oil?
|
Suggestion for the individual element pages |
3 |
Talk:Periodic table/Archive 4#Suggestion for the individual element pages
|
Ununennium |
4 |
Talk:Periodic table/Archive 4#Ununennium
|
Average Binding Energy per Nucleon |
0 |
Talk:Periodic table/Archive 4#Average Binding Energy per Nucleon
|
Neptunium |
4 |
Talk:Periodic table/Archive 4#Neptunium
|
Humorous Uses of the Periodic Table |
2 |
Talk:Periodic table/Archive 4#Humorous Uses of the Periodic Table
|
Some help here? |
4 |
Talk:Periodic table/Archive 4#Some help here?
|
Technetium |
3 |
Talk:Periodic table/Archive 4#Technetium
|
Confirmed elements |
1 |
Talk:Periodic table/Archive 4#Confirmed elements
|
element 118 detected not synthesized |
2 |
Talk:Periodic table/Archive 4#element 118 detected not synthesized
|
Synthetic/Artifical Dispute |
1 |
Talk:Periodic table/Archive 4#Synthetic/Artifical Dispute
|
suggestion to rearrange page |
2 |
Talk:Periodic table/Archive 4#suggestion to rearrange page
|
Non-Metals section contradicts itself |
5 |
Talk:Periodic table/Archive 4#Non-Metals section contradicts itself
|
Alien Periodic Table |
0 |
Talk:Periodic table/Archive 4#Alien Periodic Table
|
Confirmed by whom? |
4 |
Talk:Periodic table/Archive 4#Confirmed by whom?
|
Groups |
5 |
Talk:Periodic table/Archive 4#Groups
|
Chemical series |
2 |
Talk:Periodic table/Archive 4#Chemical series
|
alternate visualizations |
2 |
Talk:Periodic table/Archive 4#alternate visualizations
|
Periodic Spiral |
1 |
Talk:Periodic table/Archive 4#Periodic Spiral
|
Adding triple points |
1 |
Talk:Periodic table/Archive 4#Adding triple points
|
Groups in f-block |
2 |
Talk:Periodic table/Archive 4#Groups in f-block
|
Defining series and families |
3 |
Talk:Periodic table/Archive 4#Defining series and families
|
Periodic triads problem |
2 |
Talk:Periodic table/Archive 4#Periodic triads problem
|
H-block |
3 |
Talk:Periodic table/Archive 4#H-block
|
update standard states |
1 |
Talk:Periodic table/Archive 4#update standard states
|
Erotic table???? |
1 |
Talk:Periodic table/Archive 4#Erotic table????
|
Transuranic, Actinides/Lanthanides, and Seaborg |
1 |
Talk:Periodic table/Archive 4#Transuranic, Actinides/Lanthanides, and Seaborg
|
Redundant subsections |
1 |
Talk:Periodic table/Archive 4#Redundant subsections
|
Metaloids |
1 |
Talk:Periodic table/Archive 4#Metaloids
|
Test pilot's repeated edits (originator of periodic table) |
4 |
Talk:Periodic table/Archive 4#Test pilot's repeated edits (originator of periodic table)
|
Element 112's state of matter |
0 |
Talk:Periodic table/Archive 4#Element 112's state of matter
|
Bismuth's radioactivity |
5 |
Talk:Periodic table/Archive 4#Bismuth's radioactivity
|
Standard layout to wider form? |
2 |
Talk:Periodic table/Archive 4#Standard layout to wider form?
|
"Poor metals" - inconsistent with definition in Wikipedia ('Metals') and not warranted(?) |
3 |
Talk:Periodic table/Archive 4#"Poor metals" - inconsistent with definition in Wikipedia ('Metals') and not warranted(?)
|
UM? |
2 |
Talk:Periodic table/Archive 4#UM?
|
Other styles of tables? |
3 |
Talk:Periodic table/Archive 4#Other styles of tables?
|
Periodic Table displayed on element pages: Number of neutrons |
5 |
Talk:Periodic table/Archive 4#Periodic Table displayed on element pages: Number of neutrons
|
Vandalism |
3 |
Talk:Periodic table/Archive 4#Vandalism
|
*EDIT*: Someone please fix this! I don't know how. :( |
2 |
Talk:Periodic table/Archive 4#*EDIT*: Someone please fix this! I don't know how. :(
|
Periodic Law? |
2 |
Talk:Periodic table/Archive 4#Periodic Law?
|
Predictive equation |
6 |
Talk:Periodic table/Archive 4#Predictive equation
|
Who ate the electronegativity table? |
1 |
Talk:Periodic table/Archive 4#Who ate the electronegativity table?
|
Lanthanide/Actinide and IUPAC |
3 |
Talk:Periodic table/Archive 4#Lanthanide/Actinide and IUPAC
|
New Link |
2 |
Talk:Periodic table/Archive 4#New Link
|
New Stable Element With Atomic number of 122? |
2 |
Talk:Periodic table/Archive 4#New Stable Element With Atomic number of 122?
|
14 actinoids |
2 |
Talk:Periodic table/Archive 4#14 actinoids
|
Where is Left Step Periodic Table? |
7 |
Talk:Periodic table/Archive 4#Where is Left Step Periodic Table?
|
error in periodic table |
4 |
Talk:Periodic table/Archive 4#error in periodic table
|
Theoretical Possibilities |
20 |
Talk:Periodic table/Archive 4#Theoretical Possibilities
|
Page Redirection |
0 |
Talk:Periodic table/Archive 4#Page Redirection
|
External links |
9 |
Talk:Periodic table/Archive 4#External links
|
Groups and Periods |
3 |
Talk:Periodic table/Archive 4#Groups and Periods
|
Moved page |
6 |
Talk:Periodic table/Archive 4#Moved page
|
119 and 120? |
3 |
Talk:Periodic table/Archive 4#119 and 120?
|
Abolition of GNU/FDL?? |
2 |
Talk:Periodic table/Archive 5#Abolition of GNU/FDL??
|
chemistry and all its defindings |
1 |
Talk:Periodic table/Archive 5#chemistry and all its defindings
|
Groups And Periods (Pnictogens) |
5 |
Talk:Periodic table/Archive 5#Groups And Periods (Pnictogens)
|
IUPAC recommended nomenclature |
3 |
Talk:Periodic table/Archive 5#IUPAC recommended nomenclature
|
New layout? |
3 |
Talk:Periodic table/Archive 5#New layout?
|
Atomic Weights? |
3 |
Talk:Periodic table/Archive 5#Atomic Weights?
|
The Father of the Periodic Table |
13 |
Talk:Periodic table/Archive 5#The Father of the Periodic Table
|
Atomic Mass vs. Atomic Weight |
3 |
Talk:Periodic table/Archive 5#Atomic Mass vs. Atomic Weight
|
Helium not primordial? |
6 |
Talk:Periodic table/Archive 5#Helium not primordial?
|
Didactics: shell filling |
1 |
Talk:Periodic table/Archive 5#Didactics: shell filling
|
Re-write |
5 |
Talk:Periodic table/Archive 5#Re-write
|
Copernicum? |
4 |
Talk:Periodic table/Archive 5#Copernicum?
|
Need to edit your article better |
2 |
Talk:Periodic table/Archive 5#Need to edit your article better
|
Invalid statement |
1 |
Talk:Periodic table/Archive 5#Invalid statement
|
Liquid Color |
2 |
Talk:Periodic table/Archive 5#Liquid Color
|
System and representation |
1 |
Talk:Periodic table/Archive 5#System and representation
|
Radioactivity |
8 |
Talk:Periodic table/Archive 5#Radioactivity
|
Dice games involving the Periodic Table? |
4 |
Talk:Periodic table/Archive 5#Dice games involving the Periodic Table?
|
lanthanoid(s) and actinoid(s) vs. lanthanide(s) and actinide(s) |
3 |
Talk:Periodic table/Archive 5#lanthanoid(s) and actinoid(s) vs. lanthanide(s) and actinide(s)
|
Color Blindness |
3 |
Talk:Periodic table/Archive 5#Color Blindness
|
Mnemonic |
5 |
Talk:Periodic table/Archive 5#Mnemonic
|
Table |
3 |
Talk:Periodic table/Archive 5#Table
|
Edit request from 98.26.57.143, 4 June 2010 |
3 |
Talk:Periodic table/Archive 5#Edit request from 98.26.57.143, 4 June 2010
|
Naturally Occurring. |
1 |
Talk:Periodic table/Archive 5#Naturally Occurring.
|
Hydrogen |
4 |
Talk:Periodic table/Archive 5#Hydrogen
|
Citations |
4 |
Talk:Periodic table/Archive 5#Citations
|
Edit request from 122.164.119.137, 12 January 2011 |
3 |
Talk:Periodic table/Archive 5#Edit request from 122.164.119.137, 12 January 2011
|
Alternative versions |
2 |
Talk:Periodic table/Archive 5#Alternative versions
|
Phosphorus, not Phosphorous |
2 |
Talk:Periodic table/Archive 5#Phosphorus, not Phosphorous
|
Americium is also found in nature |
2 |
Talk:Periodic table/Archive 5#Americium is also found in nature
|
Yes, atomic weights put in parrenthasies for 43, 61, 84, 85, 86, 87, 88, 89, 93, 94, 95, 96, etc. |
2 |
Talk:Periodic table/Archive 5#Yes, atomic weights put in parrenthasies for 43, 61, 84, 85, 86, 87, 88, 89, 93, 94, 95, 96, etc.
|
Needs complete rewrite? |
3 |
Talk:Periodic table/Archive 5#Needs complete rewrite?
|
Strange redirect |
3 |
Talk:Periodic table/Archive 5#Strange redirect
|
Caption Typo |
2 |
Talk:Periodic table/Archive 5#Caption Typo
|
Points on history missing |
4 |
Talk:Periodic table/Archive 5#Points on history missing
|
Typo to fix |
1 |
Talk:Periodic table/Archive 5#Typo to fix
|
arrangement of periodic table |
2 |
Talk:Periodic table/Archive 5#arrangement of periodic table
|
Another typo |
2 |
Talk:Periodic table/Archive 5#Another typo
|
Edit request on 3 December 2011 |
2 |
Talk:Periodic table/Archive 5#Edit request on 3 December 2011
|
Correction of the first sentence is needed. |
28 |
Talk:Periodic table/Archive 5#Correction of the first sentence is needed.
|
Refs |
9 |
Talk:Periodic table/Archive 6#Refs
|
Naturals and Primordials |
8 |
Talk:Periodic table/Archive 6#Naturals and Primordials
|
Layout (mostly for self-reference) |
1 |
Talk:Periodic table/Archive 6#Layout (mostly for self-reference)
|
Exceptional cases |
4 |
Talk:Periodic table/Archive 6#Exceptional cases
|
Atomic Radius Image |
3 |
Talk:Periodic table/Archive 6#Atomic Radius Image
|
What is the Chemical Society? |
3 |
Talk:Periodic table/Archive 6#What is the Chemical Society?
|
Grammar cleanup required |
1 |
Talk:Periodic table/Archive 6#Grammar cleanup required
|
Why no periodic table including the names of elements? |
7 |
Talk:Periodic table/Archive 6#Why no periodic table including the names of elements?
|
{{Periodic table}} |
2 |
Talk:Periodic table/Archive 6#{{tlx|Periodic table}}
|
GAN Nomination |
1 |
Talk:Periodic table/Archive 6#GAN Nomination
|
Image update |
2 |
Talk:Periodic table/Archive 6#Image update
|
Why in the world is this protected? |
4 |
Talk:Periodic table/Archive 6#Why in the world is this protected?
|
Bumping you some relativistic-related stuff (not insisting you need it) |
1 |
Talk:Periodic table/Archive 6#Bumping you some relativistic-related stuff (not insisting you need it)
|
One book title missing |
2 |
Talk:Periodic table/Archive 6#One book title missing
|
Janet Left Step layout |
5 |
Talk:Periodic table/Archive 6#Janet Left Step layout
|
Correction to "Some element categories in the periodic table" |
3 |
Talk:Periodic table/Archive 6#Correction to "Some element categories in the periodic table"
|
Janet Left Step setup |
3 |
Talk:Periodic table/Archive 6#Janet Left Step setup
|
mistype in "Optimal Form" |
2 |
Talk:Periodic table/Archive 6#mistype in "Optimal Form"
|
Janet left step as a thumb |
6 |
Talk:Periodic table/Archive 6#Janet left step as a thumb
|
Periodic table FA |
46 |
Talk:Periodic table/Archive 6#Periodic table FA
|
Edit request on 12 November 2012 |
2 |
Talk:Periodic table/Archive 6#Edit request on 12 November 2012
|
inverted digits |
13 |
Talk:Periodic table/Archive 6#inverted digits
|
Number correction |
2 |
Talk:Periodic table/Archive 6#Number correction
|
Edit request on 23 January 2013 |
2 |
Talk:Periodic table/Archive 6#Edit request on 23 January 2013
|
Edmund Stoner contribution to the periodic table |
2 |
Talk:Periodic table/Archive 6#Edmund Stoner contribution to the periodic table
|
Chromium in antiquity |
4 |
Talk:Periodic table/Archive 6#Chromium in antiquity
|
Element names in the table |
1 |
Talk:Periodic table/Archive 6#Element names in the table
|
Optimal Form? |
1 |
Talk:Periodic table/Archive 6#Optimal Form?
|
Deleted work why ?? |
1 |
Talk:Periodic table/Archive 6#Deleted work why ??
|
Fuller Data with fill order |
4 |
Talk:Periodic table/Archive 6#Fuller Data with fill order
|
"Of these, all up to and including californium exist 'naturally'..." |
4 |
Talk:Periodic table/Archive 6#"Of these, all up to and including californium exist 'naturally'..."
|
Browser-dependent layout problem |
10 |
Talk:Periodic table/Archive 6#Browser-dependent layout problem
|
disambiguation link issue... |
2 |
Talk:Periodic table/Archive 6#disambiguation link issue...
|
Meaningless phrase? |
3 |
Talk:Periodic table/Archive 6#Meaningless phrase?
|
The "standard" form of the periodic table |
3 |
Talk:Periodic table/Archive 6#The "standard" form of the periodic table
|
Simple ambiguity in the Standard Table |
4 |
Talk:Periodic table/Archive 6#Simple ambiguity in the Standard Table
|
Natural Element Synthesis in the Universe |
3 |
Talk:Periodic table/Archive 6#Natural Element Synthesis in the Universe
|
Alternatives Strongly biased. |
4 |
Talk:Periodic table/Archive 6#Alternatives Strongly biased.
|
Proposed merge with Placement of hydrogen in the periodic table |
4 |
Talk:Periodic table/Archive 6#Proposed merge with Placement of hydrogen in the periodic table
|
The basic PT note |
8 |
Talk:Periodic table/Archive 6#The basic PT note
|
Proposed merge with Placement of lanthanides and actinides in the periodic table |
5 |
Talk:Periodic table/Archive 6#Proposed merge with Placement of lanthanides and actinides in the periodic table
|
The first picture in the "History" section |
3 |
Talk:Periodic table/Archive 6#The first picture in the "History" section
|
Issues in the Bohr model |
4 |
Talk:Periodic table/Archive 7#Issues in the Bohr model
|
Merger with Periodic table (large version) |
14 |
Talk:Periodic table/Archive 7#Merger with Periodic table (large version)
|
Semi-protected edit request on 24 July 2014 |
9 |
Talk:Periodic table/Archive 7#Semi-protected edit request on 24 July 2014
|
Electron configuration |
3 |
Talk:Periodic table/Archive 7#Electron configuration
|
Metal-metalloid-nonmetal section |
1 |
Talk:Periodic table/Archive 7#Metal-metalloid-nonmetal section
|
Overview & layout |
3 |
Talk:Periodic table/Archive 7#Overview & layout
|
Groupings -Classification into metals, metalloids and nonmetals |
5 |
Talk:Periodic table/Archive 7#Groupings -Classification into metals, metalloids and nonmetals
|
Can someone qualified evaluate adding a periodic table here ? |
2 |
Talk:Periodic table/Archive 7#Can someone qualified evaluate adding a periodic table here ?
|
Please, do something about Barium |
4 |
Talk:Periodic table/Archive 7#Please, do something about Barium
|
Semi-protected edit request on 28 December 2014 |
4 |
Talk:Periodic table/Archive 7#Semi-protected edit request on 28 December 2014
|
Which brings up an interesting idea |
16 |
Talk:Periodic table/Archive 7#Which brings up an interesting idea
|
Mahusha |
3 |
Talk:Periodic table/Archive 7#Mahusha
|
Po: atomic weight |
37 |
Talk:Periodic table/Archive 7#Po: atomic weight
|
Natural occurrence of transplutonium elements |
17 |
Talk:Periodic table/Archive 7#Natural occurrence of transplutonium elements
|
Semi-protected edit request on 19 May 2015 |
2 |
Talk:Periodic table/Archive 7#Semi-protected edit request on 19 May 2015
|
Edit request 20 June 2015 |
1 |
Talk:Periodic table/Archive 7#Edit request 20 June 2015
|
"Periodic" table |
4 |
Talk:Periodic table/Archive 7#"Periodic" table
|
Periodic Table (of Elements?) |
5 |
Talk:Periodic table/Archive 7#Periodic Table (of Elements?)
|
Typo |
1 |
Talk:Periodic table/Archive 8#Typo
|
Moseley |
3 |
Talk:Periodic table/Archive 8#Moseley
|
Observable francium |
1 |
Talk:Periodic table/Archive 8#Observable francium
|
Where does the periodic table end? |
6 |
Talk:Periodic table/Archive 8#Where does the periodic table end?
|
Placement of hydrogen and helium |
22 |
Talk:Periodic table/Archive 8#Placement of hydrogen and helium
|
Group 12: Post-transition metals |
6 |
Talk:Periodic table/Archive 8#Group 12: Post-transition metals
|
Data for group 3 trends |
7 |
Talk:Periodic table/Archive 8#Data for group 3 trends
|
Group 3 in detail |
43 |
Talk:Periodic table/Archive 8#Group 3 in detail
|
Suggestion that PT grouping applies to footnote elements |
33 |
Talk:Periodic table/Archive 8#Suggestion that PT grouping applies to footnote elements
|
Change location of the f-block |
260 |
Talk:Periodic table/Archive 9#Change location of the f-block
|
Coming changes in visual presentation |
2 |
Talk:Periodic table/Archive 10#Coming changes in visual presentation
|
Group 3 as (possibly borderline) transition metals |
12 |
Talk:Periodic table/Archive 10#Group 3 as (possibly borderline) transition metals
|
Four new elements |
3 |
Talk:Periodic table/Archive 10#Four new elements
|
rm Type I-II-III references |
1 |
Talk:Periodic table/Archive 10#rm Type I-II-III references
|
Y|*|** table |
24 |
Talk:Periodic table/Archive 10#Origin of the Sc|Y|*|** table
|
PT graph versus structure |
5 |
Talk:Periodic table/Archive 10#PT graph versus structure
|
Downwards and backwards |
41 |
Talk:Periodic table/Archive 10#Downwards and backwards
|
Remove semi-protection? |
2 |
Talk:Periodic table/Archive 10#Remove semi-protection?
|
Secret chars in Iodine? An injection hack? |
3 |
Talk:Periodic table/Archive 10#Secret chars in Iodine? An injection hack?
|
New element names |
2 |
Talk:Periodic table/Archive 10#New element names
|
Semi-protected edit request on 17 June 2016 |
2 |
Talk:Periodic table/Archive 10#Semi-protected edit request on 17 June 2016
|
Regarding note 15 |
1 |
Talk:Periodic table/Archive 10#Regarding note 15
|
Hydrogen |
2 |
Talk:Periodic table/Archive 10#Hydrogen
|
Regarding hydrogen in group 1 |
1 |
Talk:Periodic table/Archive 10#Regarding hydrogen in group 1
|
the constitution of group 3 task force |
16 |
Talk:Periodic table/Archive 10#the constitution of group 3 task force
|
8 elements with no category listed |
7 |
Talk:Periodic table/Archive 10#8 elements with no category listed
|
New names for elements |
3 |
Talk:Periodic table/Archive 10#New names for elements
|
Group 3 RfC |
1 |
Talk:Periodic table/Archive 10#Group 3 RfC
|
Group 3 options do not create a different structure as Janet does |
1 |
Talk:Periodic table/Archive 10#Group 3 options do not create a different structure as Janet does
|
recolour group 12 as post-transition metals? |
2 |
Talk:Periodic table#recolour group 12 as post-transition metals?
|
Image updating for new named elements |
1 |
Talk:Periodic table#Image updating for new named elements
|
Element notation |
4 |
Talk:Periodic table#Element notation
|
Categories |
9 |
Talk:Periodic table#Categories
|