Biology and Chemistry have the mhchem MathJax extension enabled, which makes it easier to write chemical species and reactions. Should this extension be enabled here? I imagine that it will be useful for some questions in , at minimum.


2 Answers 2


It's now possible describe stratospheric ozone with equations:

$$ \ce{O2 ->[\text{uv light}] 2 O}\\ \ce{O2 + O -> O3} $$

Some helpful information:

  1. A guide on the basics of mhchem.
  2. Resist the urge to overuse $\TeX$.

Other than that... enjoy!


List of questions that would benefit from mhchem:

(Please edit this answer with any other questions that would benefit from mhchem.)

  • 3
    $\begingroup$ Examples are good. It would also be helpful to have examples where chemical reactions (more than just naming molecules) being written would improve the posts. Once we get a few more examples I'll make sure a CM sees this. $\endgroup$
    – casey
    Commented May 23, 2014 at 0:55

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