User:DePiep/isobox


 * Infobox element isotopes WT:ELEM

One more try for WD

 * ELEM/ISO/WD: WikiProject Elements/Isotopes/wikidata

Main table




Isotopes

 * Below is my proposal for extra columns for the isotopes. Will put it on Template talk:Infobox element isotopes in a few days.


 * Please take a look and improve as you think best, eliminate errors and misunderstandings. Do edit without discussion.
 * However, better not start or cause discussion. That should happen on the talkpage. -DePiep (talk) 21:17, 8 June 2017 (UTC)

Infobox isotopes table: new columns & structures
Proposals for adding columns to Infobox element isotopes (aka isoboxes). It follows that we need four different table setups (four table headers).

New columns are: spin, chain, from chain, first-when, first-who, iso-note. Table setups: 1. STABLE elements, 2. ALL STABLE, 3. CHAIN (unstable elements), 4. SYN (synthetic heavies).

An earlier discussion at WT:ELEMENTS, Archive 25 (March 2017). From there, I've token some quotes from Double sharp.

Proposal, topics & setup

 * The changes are mostly columns (quantities) to be added. We need to pre-define the tables using them. It appears that sets of elements require different columns (=tables). For now, we expect four different sets (four different table headers). No new rows foreseen (existing rows are: stable, and decay 1–4).
 * Within one table (=element), the number & type of isotopes (rows) are free for the editor (not be limited by table header or by this discussion).


 * The column set for 'stable' has a different 'header' already. For now, we can keep that way of doing. That is: each table can accommodate stable isotope rows.


 * Columns 'decay energy' and decay 'product' are removed.


 * Do not worry about: table format tweaking, which isotopes to list(!), exact value formatting, row-templates, linked/notlinked values, Infobox element (it will follow, later), how must I enter it (hardcode it. The isotope-row templates not used).


 * Do worry about: main table structure; columns: number, order, header text; covering all expected isotope situations per element?, possible values, add helpful examples


 * Implementation: when accepted, per element one table-header (1 out of 4) must be picked, to announce which columns are used. Then isotope data be entered & maintained. Can happen: empty cells. May not happen: number of columns in table varying (righthand side indenting).
 * Technically: When decided here, template changes will follow. Expect new parameter names like spin, but we'll try to smartly automate other details (such as correct table header picking).

Overall discussion is below, at (not here).

Table 1: Add 'nuclear spin' (stable elements)
Double sharp: "I find that when I write "Isotopes" sections in articles on stable elements (H to Bi, except Tc and Pm), I want to mention the stable isotopes and their natural abundance, but then one of the other things I want to go into is nuclear spin (important for Nuclear magnetic resonance (NMR))".


 * 1H to 83Bi (except: Tc, Pm)
 * The 'spin' column is added to every table proposed. For the stable H–Bi elements, it is the only addition.
 * Parameter spin
 * Values: one per isotope (row)
 * Typical values: (2−), 1/2+, 1/2&minus;, 1&minus;, 0+, (3/2)−, (19/2−)

Table 2: When stable isotopes only, use simplified table
When all listed isotopes are stable, we can use a simplified header: remove column Decay mode. Note that the spin value is added.
 * Currently for isoboxes: boron, bromine, helium, lithium, magnesium, neon, oxygen. This list may change, since editors are free to reasonably add/remove nonstable isotopes (IOW, when a nonstable isotope row is added, this simple form can not be used any more. Also, the other way around).

Table 3: Add 'from decay chain' (when unstable)
Double sharp: "For the unstable elements past Bi, I would want a detail on where each natural isotope comes from in the radioactive decay chain, like I did in text at Radium."
 * 84Po - E118(?), (+ Tc?, Pm?)


 * Parameter: chain
 * One value for every unstable isotope (row).
 * Possible values: &lt;blank>, thorium-232, uranium-235, uranium-238, neptunium-237, ...

Table 4: Add 'from', '1st-when', '1st-who' (synthetic heavies)
Double sharp: "For the most unstable superheavy elements from Lr onwards at the cutting edge of modern science, I would want to know where each isotope comes from, when it was synthesised first, and who did it. So once we go beyond the things covered in the main infobox, I am not sure if we can add anymore, because the needs of each element are a little bit different; but if we are splitting it out, then I would think that it ought to go into some more detail."
 * Lr - E121+
 * Columns added:
 * from: isotope(s) synthesised from.
 * Values: &lt;blank>, Cm-249 or 248Cm
 * 1st-when: date of first synthesis
 * Values: &lt;blank>, year (preferably), full date (if needed)


 * 1st-who: first synthesis person or institute
 * Values: &lt;blank>, name/institute (usually wikilinked)
 * iso-note: longer note in extra subrow, over multiple columns.
 * Values: &lt;omit>, freetext. Should be used scarcely.

Discuss 'from, '1st-' columns
Q: Would this cover the existing table in Berkelium? Q: Should this table also have the 'from chain' column?

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