Punch and Judy fought for a pie.
Punch gave Judy a knock in the eye.
Says Punch to Judy, "Will you have any more?"
Says Judy to Punch, "My eye is sore."
There’s also the matter of using “prominently”: It’s definitely not used prominently for depression; it’s not even the recommended front-line bipolar treatment anymore (due to side effects). Altogether, pharmaceuticals only account for 4% of lithium use worldwide; it is much more often (more prominently?) used in industrial applications: ceramics and aluminum production, lubricants, air conditioners — in addition to batteries.
Might I so boldly suggest just “Which chemical element is commonly used in portable electronics batteries and medication to treat bipolar disorder?” (I suspect most people are getting the answer based on the batteries part anyway.)
'Pennsylvania Dutch'?" or something along those lines.