Less memorising.
More discovering.
Build, experiment and practise. Find the tool that helps your next idea click.
Try “moles”, “titration” or “gas”. Press / to search.
A playful model. Real electrons don't follow fixed paths.
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Explore & experiment
Make a change and see what happens.
Gas Law Calculator
Move the piston, compare four gas laws and test predictions against live graphs.
Haber Process Simulator
Explore equilibrium, reaction speed and production trade-offs. Change conditions, compare choices and take on engineering missions.
Molecule Explorer
Rotate real molecules in 3D, click any atom and see its bonds, lone pairs and charge.
Atom Builder
Build atoms, explore their particles and discover what changes an element.
Balancing Act
Balance reactions with visual atom counts, then build your own equation workshop.
Calculate & understand
Follow the quantities, units and reasoning.
Interactive Periodic Table
Explore all 118 elements, compare properties and look up the data you need.
Formula Calculator
Turn composition into a formula with atom tiles, guided working and puzzles.
Moles Calculator
Connect mass, moles and particles. Explore substances, follow the working and practise.
Titration Calculator
Control a virtual burette, spot the endpoint and use your readings to find a concentration.
Buffer Solution pH Calculator
Add acid or base to a virtual buffer, compare its pH with water, and discover how buffer protection works.
Percentage Uncertainty Calculator
Read virtual instruments, see what ± means, and explore measurement uncertainty with worked calculations and challenges.
Plan your next step
Build a revision routine around your course.
Chemistry Study Planner
Choose AQA GCSE, Edexcel IGCSE, AQA A-Level, OxfordAQA or IB and follow a weekly plan linked to your course notes. Save with an account and use Exam Pass for results-based priorities.
IB Chemistry IA Planner
Build your own investigation with six guided steps, a live variable map, linked notes and saved drafts.