Chemistry ball knowledge

Name it.
Dunk it.

Master chemical naming with short, focused rounds customised to your skill level. Climb the leaderboard, compete with friends, and dunk on your teachers.

Start today's practice View your stats

No penalty for trying. Learn the exact bit you missed.

Leaderboard

Loading the leaderboard…

Guest progress

Your stats on this browser

Sign in to sync your progress.

Loading your stats…

Level progress

Your progress by level

Pick up exactly where you left off.

Choose your pressure

Five ways to play

01 Easy Build the naming reflex. 02 Medium Read chains and suffixes. 03 Hard Handle branches and locants. 04 Super Hard Beat the 120s shot clock. 05 Impossible Sixty seconds. Full IUPAC.