Choose the atoms.
Watch chemistry happen.
Explore every recognised element, combine two to six elements, build atoms and molecules, investigate pH, gases, energy, equilibrium, electrochemistry, spectroscopy, nuclear decay and much more through safe, colourful and game-like learning.
elements
Chemistry becomes easier when particles, patterns and observations are connected.
26 Interactive Chemistry Laboratories
Adjust live variables, make a prediction, run a visual model, inspect calculations and complete a learning mission.
Element Reaction Forge
Combine two to six elements and explore supported pathways.
What will happen?
Mission
Interactive Periodic Table — All 118 Elements
Search, filter, compare and explore every element. In selection mode, click elements to add them directly to the Reaction Forge.
Element Knowledge Cards
Open a profile for atomic structure, electron arrangement, appearance, occurrence, uses, compounds, hazards, rarity, cost and memorable facts.
Side-by-side Element Comparator
Choose up to four elements and compare structure, family, size, electronegativity, state, reactivity and safety.
Chemistry Theory, Made Friendly
More than 100 lessons spanning atoms, periodicity, bonding, reactions, calculations, acids, energy, equilibrium, analysis, organic chemistry and nuclear chemistry.
Chemistry Calculator & Unit Converter
Solve 35 common chemistry calculations and convert 12 categories of scientific units with clear substitution steps.
Moles from mass
Convert Chemistry Units
205-term Chemistry Glossary
Search the language of chemistry and build confidence with definitions that remain easy to understand.
Mission Arcade
Complete one mission in every laboratory, collect XP and unlock cheerful chemistry achievements.
Achievements
Milestones celebrating curiosity, pattern recognition, calculation and careful scientific thinking.
Chemistry Mastery Quiz
Ten random questions selected from an 85-question bank, with instant explanations after every answer.
Press “Start a new quiz” to begin.
Chemistry Notebook
Save experiment results, review discoveries and export your observations as a text file.
Reference Framework & Safety
Property fields and teaching models are organised around widely used authoritative chemistry and nuclear-data resources.
NIST Chemistry WebBook
A reference destination for thermochemical, spectral and molecular data.
Open NISTIAEA LiveChart
A reference destination for evaluated nuclide and radioactive-decay information.
Open IAEARDKit PeriodicTable
Atomic weights, covalent and van der Waals radii, valence-electron counts and isotope fields used in the offline dataset.
Open RDKit documentation