Talk:Manganese

Manganese was one of the Natural sciences good articles, but it has been removed from the list. There are suggestions below for improving the article to meet the good article criteria. Once these issues have been addressed, the article can be renominated. Editors may also seek a reassessment of the decision if they believe there was a mistake.

Article milestones
Date	Process	Result
March 7, 2010	Good article nominee	Listed
February 9, 2023	Good article reassessment	Delisted

Current status: Delisted good article

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There is no section on the physical properties of metalic manganese!

Latest comment: 11 months ago9 comments6 people in discussion

i.e. different phasesdensity, crystal structure, mp, bp...

very odd. if i have time one day i will try add some.

there are MANY cool facts:

two phases of solid manganese metal are VERY complexhttps://www.atomic-scale-physics.de/lattice/struk/mn.html

https://www.isis.stfc.ac.uk/Pages/Solving-a-20-Year-Mystery-The-Frustrating-Case-of-%C3%9FManganese.aspx

https://eprints.nmlindia.org/5609/1/3-28.PDF Wikiskimmmer (talk) 22:36, 22 December 2022 (UTC)

@Wikiskimmer: You can add this information yourself under Manganese#Physical_properties. –LaundryPizza03 (d c̄) 02:59, 23 December 2022 (UTC)

it's been a long time. i forget how to do all the wiki things! Wikiskimmmer (talk) 07:07, 23 December 2022 (UTC)

@Wikiskimmer:The difficult part is the content, the "wiki things" can be dealt with by many people. Its subject-expertise that Wikipedia most fervently seeks, not editing technique. --Smokefoot (talk) 13:56, 23 December 2022 (UTC)

ugh! writing takes so much effort. ok, here goes Wikiskimmmer (talk) 17:36, 23 December 2022 (UTC)

also, i TOTLY missed that there are a ton of physical facts on the box to the right! Wikiskimmmer (talk) 17:39, 23 December 2022 (UTC)

The allotropes are super interesting with their crazily complex unit cells. I just added a section on allotropes. Please add or repair as needed. –MadeOfAtoms (talk) 11:36, 30 January 2023 (UTC)

Added to wikidata.

α-manganese (Q116486242)

β-manganese (Q116486272)

γ-manganese (Q116486277)

δ-manganese (Q116486285)

DePiep (talk) 12:23, 30 January 2023 (UTC)

thanks! looks cool. Wikiskimmer (talk) 19:42, 15 July 2023 (UTC)

GA reassessment

Latest comment: 1 year ago3 comments2 people in discussion

Manganese

The following discussion is closed. Please do not modify it. Subsequent comments should be made on the appropriate discussion page. No further edits should be made to this discussion.

Article (edit | visual edit | history) · Article talk (edit | history) · Watch • Watch article reassessment page • Most recent review

Result: Delisted. ¹⁴¹ Pr {^contribs/_{Best page}} 19:11, 9 February 2023 (UTC)

This article is a GA from 2010. There are lots of uncited material which needs to be cited, and needs to be cleaned up (for example, the lead banner). I've gone ahead and added some {{Citation needed}} tags. ¹⁴¹ Pr 09:04, 4 February 2023 (UTC)

Delist Significant unsourced material is still there. Onegreatjoke (talk) 16:24, 8 February 2023 (UTC)

The discussion above is closed. Please do not modify it. Subsequent comments should be made on the appropriate discussion page. No further edits should be made to this discussion.

Discovery of Manganese. Whose fame?

Latest comment: 7 months ago2 comments2 people in discussion

Double sharp (greetings to Double sharp) gave the honor of the first discoverer to Kaim (1770)^[1] on Wikipedia. Others say that it was Scheele^[2] with his friend Gahn (1774). I understand that Kaim did it earlier, but the source implies his discovery was not fully confirmed, right? It turns out that Kaim was one of those who discovered manganese... What can we do?

Tosha Langue (talk) 17:28, 19 November 2023 (UTC)

@Tosha Langue: Thanks for prompting me to investigate this further! RSC credits Kaim too, and Venetskii in 1966 said there were grounds to believe he was first, though some details are missing. The Pergamon volume on group 7 says In 1770 J. G. Kaim heated pyrolusite with black flux and obtained a regulus, but it was not until 1774 that the great Swedish chemist, C. W. Scheele, realized that the ore and its extracts contained a new element. Although Scheele made this discovery he did not succeed in isolating the metal, and this was achieved by J. G. Gahn the same year. However in 2020 a historical study of Scheele and Bergman wrote It is possible that manganese had been prepared before Scheele’s studies. It is, for example, possible that Kaim prepared manganese in 1770 [and here Kaim's original work, which I can't consult, is cited], but his results are unverified and gained little recognition.

I think now that it's probably best to hedge Kaim's claim with a word like "possibly" or "probably". Double sharp (talk) 02:33, 20 November 2023 (UTC)

Pentacarbonyl

Latest comment: 3 months ago1 comment1 person in discussion

See “Pentacarbonylhydridomanganese”. On said article’s talk page, i posted a complaint about said article. Solomonfromfinland (talk) 01:36, 7 April 2024 (UTC)

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