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/55285/16683
Was it broken by some update? I haven't been around much so haven't been following what's been going on.
Thanks.
\ce
indicates that it wasn't loaded at all. $\endgroup$mathjax
tag to the question? $\endgroup$