Periodic Table
All 118 elements with full chemistry data — quizzes, flashcards, mystery game, reaction simulator.
Open Periodic Table9 modules · Chemistry
Chemistry
Elements, reactions, calculations and the laws that govern matter. Explore 9 free interactive chemistry modules — no signup, works offline.
9
Modules
Free
No signup
Offline
Works anywhere
Chemistry modules
Each one is a self-contained interactive app — open it and start straight away.
Chemical Bonding
Ionic, covalent and metallic bonds with a bond-type predictor, Lewis-dot builder, NaCl lattice and electron-sea animation.
Open Chemical BondingBalancing Chemical Equations
Coefficient trainer with live atom counter, speed drill and an automatic balancer that handles parentheses and polyatomic ions.
Open Balancing Chemical EquationsAcids, Bases & pH
pH calculator, virtual indicator flask, live titration curve and a strong-vs-weak strength chart.
Open Acids, Bases & pHStoichiometry & Mole Calculations
Molar mass calculator, mole/mass/particle/volume converter, limiting reagent solver and percent-yield calculator.
Open Stoichiometry & Mole CalculationsNaming Compounds
Formula↔name converters for ionic, covalent and acid compounds, polyatomic-ion drill and a 30-ion reference table.
Open Naming CompoundsReaction Types
Auto-classifier for synthesis, decomposition, single/double replacement, combustion and acid-base; activity series and solubility predictors.
Open Reaction TypesLab Safety & Equipment
All nine GHS hazard pictograms, 15 pieces of glassware, equipment-ID drill, scenario quiz and a PPE selector.
Open Lab Safety & EquipmentWorked Examples
Step-by-step walk-through of multistep chemistry problems — combustion, limiting reagent, titration and percent yield, all in one guided flow.
Open Worked ExamplesOther subjects
Noduly covers 16 subjects in total.