The complete chemistry mastery system. Whether you're starting with the periodic table or tackling MCAT-level synthesis, ChemFlash adapts to your level with 1,175+ expertly-curated flashcards across 30 comprehensive decks.
Whether you're just starting out or preparing for professional exams, we have content tailored to your needs.
Build a strong foundation with essential chemistry principles. Master the periodic table, basic bonding, and fundamental reactions.
Dive deeper into reaction mechanisms, stereochemistry, and complex molecular interactions. Understand the "why" behind reactions.
Challenge yourself with complex multi-step synthesis, advanced mechanisms, and professional exam-level content.
Aligned with major chemistry curricula and standardized exams worldwide.
Complete coverage of all AP Chemistry units and exam topics
Standard and Higher Level content for IB Diploma Programme
General chemistry sequences at university level
Comprehensive OChem I & II coverage with mechanisms
Targeted content for MCAT Chem/Biochem sections
Preparation for ACS standardized chemistry exams
Built by chemistry enthusiasts, for chemistry students. Every feature designed to maximize your learning.
Our algorithm schedules reviews at optimal intervals, so you remember more with less effort. The same system used by top students worldwide.
Every card written and reviewed by chemistry educators. Detailed explanations help you understand the "why" behind each reaction.
Beautiful statistics show your study habits, retention rates, and mastery progress. Stay motivated with streaks and achievements.
Standard reviews, learn new cards, cram mode for exams, and quiz mode for self-testing. Study your way.
Home screen and lock screen widgets show due cards at a glance. Never miss a review session.
Study on the go with our companion Watch app. Quick quiz mode, study sessions, and complications to track your streak.
Crafted specifically for iOS with smooth animations, intuitive gestures, and Dark Mode support.
Study on your Mac with full keyboard shortcuts, resizable windows, and seamless sync across all your Apple devices.
1,175+ flashcards covering every branch of chemistry - from fundamentals to advanced synthesis.
Atomic structure, periodic trends, bonding fundamentals
55+ cardsReaction types, balancing equations, simple redox
50+ cardsElement properties, groups, and periodic trends
45+ cardsSolutions, equilibrium, acids/bases, electrochemistry
60+ cardsMole concepts, limiting reagents, yields
45+ cardsEnthalpy, Hess's law, calorimetry
40+ cardsQuantum numbers, orbitals, electron configuration
40+ cardsIonic, covalent, metallic bonds, Lewis structures
50+ cardsFunctional groups, nomenclature, stereochemistry
65+ cardsReaction mechanisms, synthesis strategies
60+ cardsSN1, SN2, E1, E2, additions, eliminations
55+ cardsNMR, IR, Mass Spec interpretation
50+ cardsThermodynamics, kinetics, equilibrium
55+ cardsCoordination compounds, crystal field theory
50+ cardsRedox reactions, galvanic cells, electrolysis
40+ cardspH calculations, titrations, buffer systems
45+ cardsAmino acids, enzymes, metabolism pathways
70+ cardsGlycolysis, Krebs cycle, oxidative phosphorylation
55+ cardsQuantum chemistry, statistical mechanics
45+ cardsMulti-step synthesis, retrosynthetic analysis
50+ cardsQuantitative analysis, chromatography, instrumentation
45+ cardsAtmospheric chemistry, water chemistry, pollution
40+ cardsDrug design, pharmacokinetics, SAR
40+ cardsRadioactivity, decay, nuclear reactions
35+ cardsComprehensive AP exam preparation
60+ cardsHigh-yield MCAT chemistry topics
55+ cardsACS standardized exam content
50+ cardsSelect from Beginner, Intermediate, or Advanced decks based on your current course or exam goals.
Review cards and rate your recall. Our SM-2 algorithm handles the scheduling for optimal retention.
Watch your retention soar as concepts move to long-term memory. Students report 20-40% score improvements.
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"ChemFlash helped me raise my Organic Chemistry grade from a C+ to an A-. The reaction mechanism cards finally made arrow-pushing click for me. My exam scores improved by 25 points!"
"I used ChemFlash for my MCAT prep and scored a 130 on the Chem/Biochem section. The advanced synthesis cards and biochemistry pathways were exactly what I needed. Worth every penny!"
"As a TA, I recommend ChemFlash to all my Gen Chem students. The difficulty levels let beginners start with fundamentals and progress naturally. My students' average went up 15% this semester."
"I passed my ACS Organic Chemistry exam in the 95th percentile after using ChemFlash for just 6 weeks. The spaced repetition really works - I actually remembered everything on test day!"
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