13 votes
Accepted

How to render Angstrom and Parts-per notations in MathJax?

For Angstroms, check out: What additional formatting features are available to MathJax (possibly via \require{})? $\require{mediawiki-texvc}$ The $\ce{C-O}$ bond length in carbon dioxide is $\pu{1.16 ...
orthocresol's user avatar
  • 71.1k
11 votes

What happened to writing ions with \ce?

This change was introduced with MathJax/mhchem v3. That's because it is the recommended way of writing. It is IUPAC's recommendation. Red Book section IR-4.3 shows examples, but is missing a clear ...
mhchem's user avatar
  • 3,316
8 votes
Accepted

Close a question glitch

Based on your questions you seem to have a misconception as to the purpose of closing a question. Please read What does it mean if a question is "closed"? first, then come back to this. Why ...
orthocresol's user avatar
  • 71.1k
8 votes

How to render Angstrom and Parts-per notations in MathJax?

There are other possible solutions. Whether they are simpler, I leave for the reader to decide. To write angstrom, you may use \overset{\circ}{\mathrm {A}} which ...
Linear Christmas's user avatar
8 votes
Accepted

A question was put on hold, but gained an answer about thirty minutes later

Loong hit this earlier than me. status-by-design Sometimes when you put the computer to sleep, or are on mobile, or do whatever else so you pass the client based restriction of not being able to add ...
M.A.R.'s user avatar
  • 10.5k
7 votes

What happened to writing ions with \ce?

This was a change that was recently introduced to mhchem. (‘recently’ meaning ‘in the latest version’.) The change was made because IUPAC explicitly says the charge ...
Jan's user avatar
  • 67.3k
7 votes

Possible bug in newsletter?

Oscar did have an answer, which they subsequently deleted, but most likely after the newsletter had already picked up the question info.
jonsca's user avatar
  • 2,957
6 votes
Accepted

Pings disappearing in certain browsers?

Note that pinging may be deleted automatically if system considers it unnecessary; see How do comment replies work? For example, here is my screenshot of Safari on MacOS Sierra: I tried to ping you ...
andselisk's user avatar
  • 37.4k
6 votes

Why can't I take back a downvote of an answer?

There have been (so the legendary mother meta makes us believe) instances where users were gaming the system by down voting every answer other than theirs, and later undid this to get back the down ...
Martin - マーチン's user avatar
6 votes
Accepted

Possible bug in newsletter?

The question is unanswered in the sense of stack exchange: it does not have an answer with a score higher than zero. You can see that the answer by oscar has a score of -1, so it does not count. (The ...
Martin - マーチン's user avatar
6 votes
Accepted

Badge not awarded even though it shows completion?

You'll need a so-called positive question record for the Curious badge and related badges. A positive question record means you don't have too many closed, downvoted or deleted questions, overall. ...
Glorfindel's user avatar
  • 2,075
6 votes
Accepted

Why is there no "reduced ads" privilege at 200 reputation on this site?

This answer seems to suggest there are no ads on Chemistry (except for the sidebar) and the privilege is therefore hidden: The privilege exists everywhere. But on most sites, it's hidden and ...
Glorfindel's user avatar
  • 2,075
5 votes
Accepted

Unable to create new tag (material science)

Tags on Chem.SE are generally not unilaterally created by one person. If you want to make a new tag, the proper method would be to submit a proposal on meta. Since your post doesn't contain any ...
orthocresol's user avatar
  • 71.1k
4 votes
Accepted

We need some upgreek, please!

As I indicated in my comment to @Normal's answer, we have both upright and slanted uppercase Greek letters with Mathjax (with upright the default option): \begin{array}{lcl}\verb+\Lambda\Gamma\Psi+&...
M.A.R.'s user avatar
  • 10.5k
4 votes

Total posts awaiting review

This feature is poorly documented on meta, so rather than waiting 6 to 8 weeks for documentation to arrive here is the full documentation: Users who have the access review queue priviledge but not ...
Jan's user avatar
  • 67.3k
4 votes
Accepted

Edit history doesn't show edited portion - bug?

This is actually something of a special case. It looks like the original answer had some sensitive information that could be seen in the edit history. It was removed in the edit and then shortly after ...
Tyberius's user avatar
  • 11.6k
4 votes

How to render Angstrom and Parts-per notations in MathJax?

Eventually I gave up on trying to use $\mathrm\LaTeX$ escape sequences for every non-ASCII character, and decided to solely switch to XeLaTeX for scientific writing with a set of fonts which support ...
andselisk's user avatar
  • 37.4k
3 votes

Edit history doesn't show edited portion - bug?

What Tyberius wrote is correct. Typically redacted information includes, but is not limited to, email and phone numbers. Since redaction is one of those few processes that generally go by without ...
Martin - マーチン's user avatar
3 votes
Accepted

Glitch in monthly leaderboard

Honestly, you aren't the only person shocked. I was too.. TBH, this began after I started playing around with deleting an answer and testing the delay in the rep recalculation taking place. I did it ...
Safdar Faisal's user avatar
3 votes

We need some upgreek, please!

There are currently several feature requests open for MathJax, that explicitly mention upright greek fonts. The status is currently "A future release". LaTeX input: add support for pifont package #...
Martin - マーチン's user avatar
3 votes
Accepted

Undefined control sequence \pu in official SE Android app

The workaround is to go back to using \mathrm: $2.01~\mathrm{g}$ $2.01~\mathrm{g}$ ...
orthocresol's user avatar
  • 71.1k
1 vote

Why all questions from tags I follow don't highlight as I suppose they should?

This is a feature. While on the normal question site all thermodynamics questions will show up highlighted, you have just searched for questions with thermodynamics (note it says ...
Jan's user avatar
  • 67.3k
1 vote

A question was put on hold, but gained an answer about thirty minutes later

As per one of the many SE updates that happened since this question, this can no longer happen. People composing answers will now immediately be notified if the underlying question has been closed.
Jan's user avatar
  • 67.3k
1 vote

Total posts awaiting review

This behavior may have changed in the interim, but as of 2 Feb 2017, the orange-boxed number in the header bar indicates the number of suggested edits awaiting review, not the total number of posts ...
hBy2Py's user avatar
  • 17.3k

Only top scored, non community-wiki answers of a minimum length are eligible