What is the best way to write clues for abbreviations and symbols?

When using abbreviations, please don't give-away the answer in the clue.

For example, when using a state abbreviation, rather than stating it this way:

California (abbr) - you could instead say "The Golden state (abbr)"

Using state nicknames and other unique landmarks makes the clue more interesting (and you might actually learn something!).

When using chemical symbols, keep the same thing in mind. Rather than state the name of the chemical and ask for the symbol, find something unique and interesting to use for the clue. For example:

"Element named after the Greek goddess of the moon (abbr)" [SE]

You can find ways to write almost any clue without giving away the answer. If you aren't sure, you can always ask one of the editors.
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