Hi, I hope you can help me out as I have nominated this image to become a Featured Picture and now there is some questions about this image.
I hope you have the knowledge to provide answers to the questions at this link. The questions are;
1) This representation is different to all the others I've Googled. Does it have Academic authentication?
2) But could you add to the description about which colors are which elements.
I'm a graphic worker and have no knowledge of this subject.
I really hope you can help me or tell me someone else who might be able, thanks. --always ping me-- Goran tek-en (talk) 17:15, 23 August 2021 (UTC)[reply]
Redrose64, I saw you did the same in here. But actually, the v-t-e links should lead to the templatepage with the content. The database report title is wrong in these cases. I have no idea on how to prevent these, eh, incorrect edits. -DePiep (talk) 16:28, 4 October 2021 (UTC)[reply]
@Redrose64: Excluding navbars from infrequently edited templates could be misunderstood as a claim of WP:OWNership. Including them is a subtle way of inviting editors to collaborate.
I have modified the parent template to pass the navbar in as a parameter so that it only appears in the parent template, and not when the header appears independently or as a part of testcases. This should remove it from next month's report. @DePiep: perhaps this same technique could be used in {{ISO 15924 script codes and related Unicode data}} and its /header sub-template.
In my opinion, the process that generates these reports should explicitly recognize the template-header pattern and make provision for it, not by excluding them as it apparently does /sandbox templates, but by stripping off the /header (or perhaps /anything) before making the comparison.
In an unrelated side note, so that the content inside the template or block is more easily editable in situ where it was found, without having track it down through examining transclusion code. (as it says in {{navbar}}, I had contemplated making the edit link point to the /data subtemplate, which I expect would be the most likely place editors would wish to make changes.
Needslessly complicating (isn't this why the header is separated in the first place?), and only use would be to mislead a non-understanding administrative bot. -DePiep (talk) 14:36, 5 October 2021 (UTC)[reply]
Yes, needless. But it looks like most of the errors found by the bot are things that can and should be fixed, e.g., typos like "Hungaru" instead of "Hungary" (which I just fixed) and obsolete links left over from page moves. So to help editors like RR64 focus on things that really make a difference, I don't mind a little bit of complication. It's my little bit to facilitate the overall improvement of the encyclopedia. An even better solution would be to make the bot smarter, but that requires more research and time than I'm willing to invest. YBG (talk) 14:46, 5 October 2021 (UTC)[reply]
Not jumping for joy, but I think it is OK if editors like Redrose64 understand this database-dump-limitation quirk and so can edit/notedit accordingly.
Yeah, templates are an area I don't understand so thank you for fixing the problem. The templates are gone from the CSD category now. LizRead!Talk!04:12, 9 October 2021 (UTC)[reply]
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@Jbaranao: Thank you for the explanation. Feel free to restore your edit, but please make sure you include an edit summary. Edit summaries are always a good idea, but especially when doing something that could be viewed some skepticism, such as removing a reference. I occasionally forget to include an edit summary myself, and so I have selected the preference that reminds me when I forget. Thank you for your contributions, and happy editing. YBG (talk) 03:22, 31 January 2022 (UTC)[reply]
Dutch Bros History request
Hi there! I'm following up on some interest you expressed on the Dutch Bros Talk page. I responded to your comments about my History request but didn't hear back, so I thought I’d reach out a little more directly. If you feel I didn't quite address your concerns, I'm happy to discuss further. Otherwise, any additional time and input you might be willing to give to help me with my draft is much appreciated. Thanks in advance! Hillaryjbrown (talk) 04:46, 31 January 2022 (UTC)[reply]
Invitation to discussion: FAC 4 nomination of nonmetal
The context is that you were involved in the FAC 3 discussion for the article (which was not prompted) or you are an editor who made a recent edit to the nonmetal article.
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sodium (Na),chlorine (Cl), and table salt (NaCl) Corrosive chlorine, a halogen nonmetal, combines with highly reactive sodium to form stable, unreactive table salt.
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In chemistry, the properties of nonmetals are often understood in terms of how they differ from metals. This contrast is fundamental to explaining what nonmetals are, hence the frequent mention of "metal" in the context of "nonmetal." On the other hand, terms like "invertebrate," "irrational," and "transcendental number" are defined by the absence of certain characteristics (backbones, rationality, algebraic properties) but do not always require the direct contrast to their counterparts for their definition or understanding.
Metals were known and used since antiquity, so much of early chemistry was focused on metals. As a result, when nonmetals were studied, they were often described in terms of how they differed from the already familiar metals. In education, students typically learn about metals before nonmetals, so the teaching and discussion of nonmetals often references metals for context.
Other similar pairs: acids and bases; cations and anions; matter and antimatter; conductors and insulators; day and night. --- Sandbh (talk) 00:12, 14 January 2024 (UTC)[reply]
@Sandbh: Thank you, this stimulates more thinking. In retrospect, another significant difference occurs to me: in the other pairs (vertebrate/invertebrate, rational/irrational, algebraic/transcendental), there is a clear single-property that distinguishes the two: the presence of a backbone, being equal to the ratio of integers, and being the solution of a polynomial with integer coefficients. I suspect that if there were a universally accepted single-property distinction between metal and nonmetal, the comparisons would have seemed significantly less necessary. If you were to create a table to contrast the other pairs, it would end up being something rather trivial:
(has a backbone) vs. (lacks a backbone)
(equals the ratio of two integers) vs. (not the ratio of any two integers)
(equals the solution to a polynomial with integer coefficients) vs. (not the solution to a polynomial with integer coefficients)
You might be able to add another row or two to such tables, but it would certainly not be anywhere near a interesting or necessary as the contrasts between metals and nonmetals.
In terms of physics, there is a clear single property: (has a Fermi surface) vs. (lacks a Fermi surface). It's just that physicists would be more interested in classifying simple substances than abstract chemical elements, so allotropy in C and As poses a problem if you want to apply it to chemical elements. With that said, physical and chemical properties of elements change under pressure too (e.g. polyhydrides showing unusual valencies), so chemistry also inherently has this issue.
In education, metals and nonmetals are surely introduced at about the same time. After all, nonmetals are the majority if you stick to the first three rows, where beginning chemistry courses usually start. I would need to research more to say anything about the history, but something that might be relevant is that the elemental gases H2, N2, and O2 were not really identified correctly until Lavoisier's time. Double sharp (talk) 12:17, 14 January 2024 (UTC)[reply]
Well, that definition is universally accepted by physicists. So, it seems to me that the issue is that there is a single-property distinction accepted by one field using the term but not another. Double sharp (talk) 17:27, 14 January 2024 (UTC)[reply]
Thank you, @ComplexRational! Same to you and yours! I note that you still have a few minutes left of the old year, but I still have over three hours. Your Atalanta BC has been enjoying the new year for nearly six hours, and @Sandbh for nearly 16 hours. YBG (talk) 04:59, 1 January 2024 (UTC)[reply]
@Double sharp: I did some initial tweaking, replacing punctuation in all numbered lists with simple newlines so that the numbers line up. I’d be interested to know what you think.
For the next step, I’d suggest working on the last three columns. The candidates winners and the seeded into final conveying the same type of information: finals contestants and how they qualified. I’d suggest combining them into two pairs of lines: yyyy champion: / name / candidates winner: / name. The last column includes (1) venue, date, format then (2) results. It is possible that this could also be combined with the info in the previous columns, but I can’t tell for sure.
After regularizing the format of the last three columns into one or two new columns, only then do I think it would be time to start thinking about the previous columns.
@Sandb: I think this little table is superior to the prose note in nonmetal, but I can’t figure out how to get it into the note and I don’t think it belongs in the main text.
References
^Cite error: The named reference A&W was invoked but never defined (see the help page).
^Cite error: The named reference Jenkins was invoked but never defined (see the help page).
It should probably be noted that this is in the in-plane electrical conductivity for carbon. Perpendicular to the planes its conductivity is lower than any metal.
Is the thermal conductivity supposed to be for graphite or diamond? We should probably say which, though both are high. But in fact this has nothing to do with metallicity: all the network-covalent nonmetals join the true metals. (Se and Te are a bit below the range of metals, but there is a big gap between them and the molecular nonmetals. For black phosphorus, see thesepapers.) I guess the major factor here should be large lattice structures reducing phonon scattering. Double sharp (talk) 08:58, 5 January 2024 (UTC)[reply]
@Double sharp: The thermal conductivity for C is as graphite, in the direction of its planes. This is stated in the associated part of the article: "Among nonmetallic elements, good electrical and thermal conductivity is seen only in carbon (as graphite, along its planes), arsenic, and antimony." --- Sandbh (talk) 05:10, 14 January 2024 (UTC)[reply]
@ Double sharp: This table is intended to replace note 8 which currently says
Thermal conductivity values for metals range from 6.3 W m−1 K−1 for neptunium to 429 for silver; cf. antimony 24.3, arsenic 50, and carbon 2000.[30] Electrical conductivity values of metals range from 0.69 S•cm−1 × 104 for manganese to 63 × 104 for silver; cf. carbon 3 × 104,[31] arsenic 3.9 × 104 and antimony 2.3 × 104.[30]
The note is attached to this sentence:
Among nonmetallic elements, good electrical and thermal conductivity is seen only in carbon (as graphite, along its planes), arsenic, and antimony. which covers your concerns.
However, I think it would be better to move the weasel words into the note and shorten the in-text sentence.
I propose changing the sentence to say:
Among nonmetallic elements, only carbon, arsenic, and antimony are good conductors of both heat and electricity.
then change the table header to
Nonmetals with good electrical and thermal conductivity
and add a footer to the table:
Carbon values are for graphite which conducts electricity well only along its planes.
and finally, fix the refs; I incorrectly assumed all electrical values were from one ref and all thermal from the other.
RFA2024 update: no longer accepting new proposals in phase I
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RFA2024 update: phase I concluded, phase II begins
Hi there! Phase I of the Wikipedia:Requests for adminship/2024 review has concluded, with several impactful changes gaining community consensus and proceeding to various stages of implementation. Some proposals will be implemented in full outright; others will be discussed at phase II before being implemented; and still others will proceed on a trial basis before being brought to phase II. The following proposals have gained consensus:
Hey there, I hope you are doing alright. I am messaging you because I noticed that a new IP user Special:Contributions/1.165.87.45 started editing today on chemistry pages, and they've been quite disruptive. Most of their edits have been reverted already, but as I am going through the rest I am also realizing that I need to revert more of them myself. Among them were edits made on metalloid and Template:Periodic table (metalloid), basically changing what elements count as metalloids without any references or discussion, which is pretty major ; I am contacting you specifically because I see that they did the same on Lists of metalloids, but there you made an edit going in their direction (merely finishing a color change to match what they did). I was planning to revert to before their first edit, but I figured I would contact you first. Choucas Bleu (T·C) 09:26, 18 June 2024 (UTC)[reply]
@Choucas Bleu: Thanks for your watchful eye. My first reaction to this IP editor was to roll them all back, but then I looked closer and (mistakenly) thought that these edits were merely making the coloration of the table match the legend for percentages, so I made further changes along the same line.
@YBG Well, unfortunately it looks like the same editor is back at it, under a new IP. Both IPs being from Taiwan, and the edits and interests being almost identical, I think it's safe to say it's the same person. It looks like it might become a recurring problem. I had to revert (almost) every new change they made again. I am unsure what the way forward should be on this one. Semi protection request of some of these pages maybe? Choucas Bleu (T·C) 09:49, 21 June 2024 (UTC)[reply]
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About the Mall/SW 5th Ave and Mall/SW 4th Ave discussion
I withdrew the discussion as you suggested, where do you think I should put the move request for the new discussion to shorten the page names? Should I use the standard templates? thetechie@enwiki: ~/talk/$01:37, 16 November 2024 (UTC)[reply]
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