A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

For discussions about tags on the main site, including anything from creation, over merging, synonym creation, deletion, and related operations.
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For discussions/ support about editing questions and answers. Common guidelines, best practices, and frequent mistakes may be discussed with this tag. Disagreements between editors are also within the…
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considered on-topic for chemistry.se.
a JavaScript engine for displaying mathematics in general, and (through the mhchem package) chemical formulas and equations in particular on Chemistry Stack Exchange.
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For use when inquiring about a particular question e.g. inquiring about a specific question’s suitability for this site.
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or is not well suited for Chemistry.SE.
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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-mh…
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Discusses the layout design of this site, mainly CSS/styling issues.
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The reasons leading to the votes of moderators to close the question.
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Questions relating to down-voting posts.
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For questions about the chat rooms and chat functionality, room rules, accepted practices, chat sessions etc.
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For questions about the wording of titles for questions on the main site.
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frequent phrases that are overly broad and non-descriptive, therefore they don't add anything of value to a question (title). This tag should be used to address such words and how to avo…
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