Periodic table is a featured article; it (or a previous version of it) has been identified as one of the best articles produced by the Wikipedia community. Even so, if you can update or improve it, please do so.
	This article appeared on Wikipedia's Main Page as Today's featured article on February 28, 2004, and on January 8, 2018.
Article milestones Date Process Result January 19, 2004 Refreshing brilliant prose Kept February 9, 2005 Featured article review Demoted January 11, 2012 Peer review Reviewed June 12, 2012 Good article nominee Listed July 11, 2012 Peer review Reviewed November 7, 2012 Featured article candidate Promoted Facts from this article were featured on Wikipedia's Main Page in the "On this day..." column on March 1, 2019, March 1, 2024, and March 1, 2025. Current status: Featured article

This  level-3 vital article is rated FA-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:

Chemistry Top‑importance This article is within the scope of WikiProject Chemistry, a collaborative effort to improve the coverage of chemistry on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.ChemistryWikipedia:WikiProject ChemistryTemplate:WikiProject ChemistryChemistry Top This article has been rated as Top-importance on the project's importance scale. Elements Top‑importance This article is supported by WikiProject Elements, which gives a central approach to the chemical elements and their isotopes on Wikipedia. Please participate by editing this article, or visit the project page for more details.ElementsWikipedia:WikiProject ElementsTemplate:WikiProject Elementschemical elements Top This article has been rated as Top-importance on the importance scale. Physics Mid‑importance This article is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PhysicsWikipedia:WikiProject PhysicsTemplate:WikiProject Physicsphysics Mid This article has been rated as Mid-importance on the project's importance scale.

Archives

Index Archive 1 Archive 2 Archive 3 Archive 4 Archive 5 Archive 6 Archive 7 Archive 8 Archive 9 Archive 10 Archive 11 Archive 12 Archive 13 Archive 14 Archive 15 Archive 16 Archive 17

This page has archives. Sections older than 60 days may be automatically archived by Lowercase sigmabot III when more than 4 sections are present.

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

 Done. Myrealnamm (💬pros · 📜cons) 19:55, 30 October 2024 (UTC)[reply]

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

•  Done Good idea! DMacks (talk) 18:30, 24 December 2024 (UTC)[reply]

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)[reply]

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)[reply]

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)[reply]

@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)[reply]

@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)[reply]