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Talk:Periodic table#Periodic table FA

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|maindate=February 28, 2004

|topic=Natsci

|currentstatus=FA

|maindate2=January 8, 2018

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{{Merged-from|Placement of lanthanides and actinides in the periodic table}}

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Semi-protected edit request on 30 October 2024

{{edit semi-protected|Periodic table|answered=yes}}

Add a link to Atomic orbital in the orbital chart under the periodic table chart ArtemisDay (talk) 18:01, 30 October 2024 (UTC)

:{{done}}. Myrealnamm (💬pros · 📜cons) 19:55, 30 October 2024 (UTC)

Semi-protected edit request on 24 December 2024

{{edit semi-protected|Periodic table|answered=yes}}

ADD LINK kainosymmetry to the word 'kainosymmetric' in Variations. 24.161.66.164 (talk) 18:24, 24 December 2024 (UTC)

  • {{done}} Good idea! DMacks (talk) 18:30, 24 December 2024 (UTC)

[[Periodic table#Structure|''Structure'']] section's Group nomenclature

Would it make sense to change the preferred nomenclature of Group in the Structure section from being Tetrels, Pnicto­gens etc. to being the far-more-commonplace Mendeleev (i.e. I–VIII ) style? Chumpih t 16:13, 2 February 2025 (UTC)

:The standard IUPAC group numbers 1 through 18 are already at the top. The ambiguities of the I-VIII style are discussed in the subsection Periodic table#Group names and numbers. Double sharp (talk) 01:44, 3 February 2025 (UTC)

Lutetium (Lu) should be treated as a lanthanide or a transition metal? What about Lawrencium (Lr), is it an actinide or a transition metal?

According to the Periodic Table from Wikipedia, the table is confusing. It appears to universally recognize Lu and Lr as transition metals, even though Lu could be a lanthanide and Lr could be an actinide, respectively. NaoHoi (talk) 08:22, 5 April 2025 (UTC)

:@NaoHoi This is discussed fully at Group 3 element and endlessly in earlier discussions on the talk page here (see archives). Mike Turnbull (talk) 11:08, 5 April 2025 (UTC)

::@NaoHoi, @Michael D. Turnbull: The discussion in the archives of this page are eclipsed by those at WT:ELEM. "Endlessly" may be an exaggeration, but not by much! YBG (talk) 16:04, 5 April 2025 (UTC)