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15 new isotopes of Cu–Kr[edit]

A new paper has announced the discovery of 15 new neutron-rich isotopes of elements copper through krypton and with mass numbers from 84 to 103.

Shimizu, Y.; Kubo, T.; Sumikama, T.; Fukuda, N.; Takeda, H.; Suzuki, H.; Ahn, D. S.; Inabe, N.; Kusaka, K.; Ohtake, M.; Yanagisawa, Y.; Yoshida, K.; Ichikawa, Y.; Isobe, T.; Otsu, H.; Sato, H.; Sonoda, T.; Murai, D.; Iwasa, N.; Imai, N.; Hirayama, Y.; Jeong, S. C.; Kimura, S.; Miyatake, H.; Mukai, M.; Kim, D. G.; Kim, E.; Yagi, A. (8 April 2024). "Production of new neutron-rich isotopes near the N = 60 isotones Ge 92 and As 93 by in-flight fission of a 345 MeV/nucleon U 238 beam". Physical Review C. 109 (4). doi:10.1103/PhysRevC.109.044313.

The new nuclides are ⁸⁴Cu, ^86–87Zn, ^88–89Ga, ^91–92Ge, ^93–95As, ^96–97Se, ^99–100Br, and ¹⁰³Kr. I cannot access the paper beyond the abstract and figures in order to get any nontrivial information that is not extrapolated in NUBASE2020 + AME2020 II, such as a lower bound on the half-life of the new nuclides.

Also, some of the isotope lists affected by this update are extremely out of date; Isotopes of copper, for example, did not include ^81–83Cu until I fully updated the list to NUBASE2020 + AME2020 II, which is why I took the effort to update this one thoroughly. –LaundryPizza03 (d c̄) 22:39, 15 April 2024 (UTC)[reply]

@LaundryPizza03: I had seen this paper, though I've been too busy the past few days to update the isotopes pages – thanks for doing so. There isn't any mass or decay data in the article, though if you'd like a PDF copy I can email you. ^Complex/_Rational 02:14, 16 April 2024 (UTC)[reply]

No thanks. In that case, I can just fill in NUBASE2020 estimates where appropriate. –LaundryPizza03 (d c̄) 03:05, 16 April 2024 (UTC)[reply]

"Range of variation" column[edit]

Sometimes it is filled with something, sometimes it is merged with the "Normal proportion" column. But most of the time, it just leaved blank. Why this column exist when it is completely empty in that isotopes page?

Completely deleting this column to all pages might be too disruptive, but IMHO this column can be removed for mononuclidic elements. There is only one isotope with abundance 100% for them, so they don't need this column. --Nucleus hydro elemon (talk) 06:50, 1 May 2024 (UTC)[reply]

I agree for mononuclidic elements. As for the others, maybe at some point they'll stop being empty as IUPAC turns more atomic weights into intervals, but that'll take a while and might not affect all elements. Double sharp (talk) 15:27, 29 May 2024 (UTC)[reply]

How to help best[edit]

Hey there, I recently discovered this WikiProject and I'd really like to contribute to the good work that is being done here. I have looked around on the project pages, and am wondering what I could do that would be most useful. Should I adopt one of the element/period/group pages that are not GA yet (and not actively worked on by a project member) and focus on improving it? Patrol the recent changes on the pages followed by the project? Something else that is crucial but not obvious at first glance? A bit of everything? Thanks! Choucas Bleu (T·C) 14:40, 1 May 2024 (UTC)[reply]

I think you should edit pages that you are most interested in. Every edit adds that page to your "watch" list. Also "watch" this page. I expect your list of topics will grow over time.

In case it is helpful, there is a tool for look for most-visited pages by category:

Popular pages: Most visited pages in Elements during April 2024
Popular "C" rated pages (where big improvements are easiest) Most visited "C" pages in Elements during April 2024

Johnjbarton (talk) 15:05, 1 May 2024 (UTC)[reply]

Thank you for linking the tool, it is indeed quite helpful. Choucas Bleu (T·C) 15:26, 1 May 2024 (UTC)[reply]

Choucas Bleu Hi! This is an effort initiated and continued by volunteers. People enjoy themselves here, so you should, too. Other editors will be genuinely glad to assist you in your effort if they can :)

What do you want from this project? As for me, I joined this project because I hoped to increase my knowledge of chemistry (surprisingly, it didn't really have this effect, and some other editors here know chemistry better than I do; they learned it elsewhere) as well as improve my English, since I come from a non-English-speaking country. I hope the editors who remember me from more than ten years ago will say that I have at least partially succeeded in that course. Over time, I grew a genuine liking to writing and thinking about how my writing will be perceived by others. What kind of content do I want, can I provide that? I asked myself questions and looked for answers to them, that was also a major part of the experience. I liked my writing, and others did, too; that came with practice. I also got a liking for collecting bronze stars.

I started working on fluorine because I expected that article to be an easy target, given how its chemistry is always formation of mononegative anions. I learned along the way that the task was more difficult than I imagined (okay, I learned some chemistry here). It wasn't easy, but in the end the goal was reached. Along the way, I met User:TCO (who is, sadly, not around anymore). He had a very positive effect on me, particularly with this essay of his. It taught me to want to provide value rather than collect stickers. I've been doing that ever since.

So, try to understand what it is that you'd like to do. If you're anything like me, I would suggest considering starting to aim for a bronze star on a regular element (not an overly important and therefore difficult one, like sulfur or gold), even regular elements have articles with tens of thousands of views every month. It'll teach you a lot along the way. Other editors will be glad to assist a new member finding his way. You can also ask me personally, I like to think I have a lot of tips to share, and I'll be glad to help out, too, though just in case, you better communicate with me per email since I'm not around for the time being. I harbor plans to return one day, but that day is not nigh yet. I won't be bothered if you contact me often, though I can't promise to respond quickly.

If you're not, well, be yourself; you do you. It's not gonna be fun if you don't enjoy it.

Also, do contact me anyway, since I can share a bunch of sources with you, which will help you greatly to write an article (they helped me a lot). Click on my user page, and on the panel on the left you'll see an option saying something like "Email this user."--R8R (talk) 18:27, 29 May 2024 (UTC)[reply]

Nonmetal FAC #9[edit]

Is anyone able to comment on this nomination(?); there's no obligation. Thanks, Sandbh (talk) 03:43, 29 May 2024 (UTC)[reply]

For my fellow jargon-impaired editors:

FAC is wp:Featured article candidates
#9 is the 9th attempt at pass.
the article is Nonmetal

Johnjbarton (talk) 14:31, 29 May 2024 (UTC)[reply]

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