Learn Chemistry: Notes & Quiz

Learn chemistry at your own level, from your very first atom to first-year university.

Tell the app where you are and it gives you a clear path: short lessons in order, pictures that explain the idea, and practice to check that it stuck. Every level stays open, so you can go back to revise or jump ahead.

FOUR LEVELS
• Beginner: plain words and lots of pictures, for students new to chemistry
• High School: atoms, bonding, moles, reactions, acids and bases
• Advanced: thermodynamics, kinetics, equilibrium and electrochemistry
• University: quantum theory, physical chemistry, analysis and organic chemistry

CHEMISTRY DICTIONARY
• 880+ terms with clear definitions, marked by level
• Search by name, or filter by level and topic
• Diagrams on many entries, plus links to related terms
• Save the terms you want to come back to

PRACTICE THAT HELPS YOU REMEMBER
• Flashcards for each level, showing the terms you don't know yet first
• Term quizzes from the dictionary
• Topic quizzes that explain every answer
• 270+ worked problems with answers
• Retry just the questions you missed

TOOLS FOR HOMEWORK AND EXAMS
• Periodic table with all 118 elements
• Formula sheets by topic
• Reference tables: constants, common ions, solubility rules, acid constants, electrode potentials and more
• 130+ labelled diagrams you can search

MADE FOR STUDYING
• Works offline
• Available in English, Spanish, Portuguese, French, German, Arabic, Hindi and Indonesian
• Adjustable text size and dark mode
• No account needed

FREE AND PREMIUM
• Free, with ads: all lessons, the dictionary, flashcards, term quizzes, the periodic table and formula sheets, plus the quiz and worked problems for the first topic of every level
• Premium, a one-time purchase with no subscription: every topic quiz, every worked problem and no ads

This was Glossary of Chemistry Terms. It's now a full chemistry course, with the dictionary still at its heart.