This free GCSE chemistry game practises the core mole calculation — moles = mass ÷ Mr — across six common compounds, plus the vocabulary behind it (mole, Mr, Ar, Avogadro's constant, concentration). Choose which question types to include, set your question count and time limit, then see how many you can get right.
Playing as a guest — your score won't be saved. Create an account to track your progress.