You're asking about "unobtaium," which is a fictional substance often used in science fiction. It doesn't exist in real life, so it doesn't have any protons, neutrons, or electrons!

The term "unobtaium" is often used to jokingly describe a material that's incredibly rare, difficult to obtain, or even impossible to create.

If you're curious about the number of protons, neutrons, and electrons in real elements, you can find that information on the periodic table!