Practice writing formulae and naming compounds Start with a matching game to test your ability to name ionic and covalent compounds and write correct formulae from names. Go on the the concentration game or flashcards for a greater challenge! Tools See a list of terms used in these activities. Matching Flashcards (Java / non-Java) Concentration This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.