Master the Periodic Table
Can you name all 118 elements? Periodic IQ puts your chemistry knowledge to the test. See a chemical symbol — pick the right element name. Or flip it in Reverse mode: see the name, pick the right symbol. Available in 60 languages.
From Hydrogen (1) to Oganesson (118), every element in the periodic table — organized into 11 IUPAC group categories so you learn chemistry, not just names.
Play in your native language! From English to Japanese, Arabic to Ukrainian - we've got you covered.
Earn group-mastery badges for each of the 11 IUPAC categories, become the Periodic Completionist, and chase the Speed Demon achievement.
New challenge every day! Test your skills with fresh questions and build your streak.
Keep your flame alive! Build daily streaks and earn special rewards for consistency.
Standard, Timed, Lives, Survival, Endless - choose your challenge level.
Connect with Game Center or Google Play Games. Compete on leaderboards and sync progress!
Track your progress with detailed stats. See your improvement over time.
Share your quiz results with friends. Challenge them to beat your score!
Pick from 11 IUPAC groups — Alkali Metals, Noble Gases, Transition Metals, and more — or test yourself on All 118 Elements at once.
See a chemical symbol like Cu and select the correct element name from four choices. Or flip it in Reverse mode: see the name, pick the right symbol from H, He, Fe, Hg.
Review your answers and learn from mistakes. Practice makes perfect!
Play daily to maintain your streak and unlock special achievements.
Play in your native language for the best experience
Download now and start mastering the periodic table!