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Questions tagged [mhchem]

mhchem is third-party extension for MathJax, for formatting chemical formulas and equations in particular on Chemistry Stack Exchange, via the \ce command. Read more here - mhchem.github.io/MathJax-mhchem/

5
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1answer
34 views

Is there a site on ChemSE to practice mhchem and mathjax?

Is there a site on ChemSE to practice mhchem and mathjax? Or does one just learn while asking or answering a question.
4
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1answer
35 views

Polymer formula bond-bracket crossing representation

I could not find any rule in Graphic representations (chemical formulae) of macromolecules (IUPAC Recommendations 1994) that would state that the bonds at the ends of the constitutional units must ...
3
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1answer
24 views

Eliminate huge-locant-marked (by \overset) atom side space

Is it possible to elegantly eliminate side whitespace around the base under the overset, which is longer than the base? E.g. if we wanted to talk about the 123456789th carbon atom of a huge poly(...
2
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1answer
33 views

Why two different print styles for the x's?

Created the rather nasty markup below. Why are there two different print styles for the x's? ...
13
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0answers
121 views

Introducing: Markdown Shortcuts for StackExchange

Inserting Mathjax and making posts look nice is rewarding, but it can often be, well, repetitive and boring :( Well, not any more. I have been testing and improving this userscript for quite some time ...
6
votes
1answer
122 views

What is the standard way to denote physical states in a chemical reaction?

A lot of older posts that I come across have their reactions written like: $$\ce{Cu(NO3)2_{(aq)} + 2NaHCO3_{(s)} -> CuCO3_{(s)} + 2NaNO3_{(aq)} + H2O_{(l)} + CO2_{(g)}}$$ (...
5
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1answer
104 views

What to do if mathrm is hugging physical units?

There was some consensus about how to write physical units from mid-2016 onwards on Chem.SE, as apparent from this post. However, it seems like the damage had already been done by that time. I say so ...
7
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2answers
106 views

Does the rendering of the precipitation and gas symbols need improvement?

Doing some markup and noticed something that annoyed me. I wanted to indicate a precipitate or gas such as: \begin{array}{ll} \text{Markup} & \text{Displays}\\\hline \text{\ce{AgCN v + KNO3}} &...
6
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2answers
103 views

Plus-minus sign messes with mhchem's \pu command

The following bug report has been fixed, here is screenshot of the question in its original state. Explicit error values are usually given as an interval with $\pm$. When I try to typeset this with ...
18
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4answers
225 views

Poll: mhchem syntax for electron configuration

As the author of mhchem, I am considering to add electron configuration to \ce. I decided to give it a little bit spacing for readability: $\mathrm{[Kr]\mskip2mu4d^{...
8
votes
3answers
636 views

Green checkmark or red X with Mathjax/mhchem?

Is there a way to put a green check mark in the body of my text using MathJax/mhchem Syntax? Or a red X to indicate that this thinking is wrong? Something like this: I want to use it while double ...
8
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1answer
80 views

Dimensional analysis with chemistry equations on stack exchange?

I know we use Mathjax/mhchem. What I would like to know, is if its possible to cross out units as part of dimensional analysis. Here is an example of the desirable effect:
15
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1answer
131 views

Mhchem feature request: strikethrough and crossout reaction arrows

mhchem is a great $\mathrm{\LaTeX}$ and MathJax package and I don’t know what we would do without it. Especially its way to format reaction equations is great. ...
8
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2answers
128 views

What happened to writing ions with \ce?

I took a look at some old questions and noticed that some \ce{} expressions were not working as they should. I am especially interested in how to write polyatomic ...
9
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1answer
77 views

Mhchem broken on mobile

That's how it looks right now. I don't recall this being a problem earlier. It's like this on other questions as well. Link to the answer in question: https://chemistry.stackexchange.com/a/55285/...
11
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2answers
157 views

Where to offer mhchem support?

I am about to finalize the MathJax/mhchem 3.0.0 (which is quite a large update). To my knowledge, the largest user group can be found here. Would you mind if I put a link in the documentation to meta....
8
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2answers
112 views

Unknown Notations

Are the following notations official? Can I find them in a colored IUPAC book? Do they have a name, I could google for? (I need this to judge whether to support this with mhchem or not.) Stability of ...
-2
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1answer
138 views

Is HTML banished?

Sorry if the question was already discussed, but it’s IMHO unlikely, given (mhchem) tag without a wiki. I’m new here, as a post writer. Today I saw my post edited by a high-rep user. The main intent ...
6
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1answer
187 views

How to solve mhchem/MathJax rendering problems

Edit: This is not a bug, it is a feature, see my answer post. While recently directing a new user to this meta post about formatting using MathJax, I noticed that some components were not rendering ...
6
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2answers
160 views

Formulae with charge and number of atoms (e.g. sulfate ion) aren't displayed properly

I just noticed that there is a problem when using mhchem to display structures such as sulfate's. According to its manual, they should appear as But using ...
7
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4answers
154 views

Chemical formulas with fractional numbers are displayed wrongly

According to mhchem manual the following code \ce{0.5H2O} should produce the following result But it does not. Instead, I ...
15
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4answers
667 views

'ce' prepended to equations in url slug?

I asked a question, titled https://chemistry.stackexchange.com/questions/636/reactions-of-metals-with-cehcl-ceh2so4-cehno3, and noticed that the formulas had 'ce' prepended to them in the url: ...
87
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1answer
10k views

How can I format math/chemistry expressions here?

This post is meant to teach new folks how to use MathJax and mhchem formatting on chem.SE
22
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1answer
574 views

Enable mhchem mathjax extension

Mathjax 2.0 supports the mhchem extension. Could we enable it? It will save us lots of time in typesetting chemical formulae. How to enable the extension