The most important app for organic chemistry students includes 80 functional groups, the classes of organic compounds (aldehyde, ethers, esters, etc.) and natural products (nucleic acids, carbohydrates, lipids, etc.). Start from the basic groups (such as ketones and hydrocarbons) and proceed to the advanced topics (for example, azo compounds and boronic acids). Choose the game mode and take a quiz: 1) Spelling quizzes (easy and hard) - answer all questions correctly to win a star. 2) Multiple