Periodic table of the elements
The periodic table for everyone — from the curious child to the professional.
A periodic table that grows with you: set the level of detail freely, rotate atoms in true 3D, learn with cards and quizzes, and experiment in the virtual lab.
One app, four depths — every audience sees exactly what it needs.
Colourful elements to explore, simple language, little games. Wonder instead of cramming.
Exactly the facts for class — with flashcards and quizzes for the next test.
Properties, trends and isotopes in detail, plus 3D models for understanding instead of memorising.
Exact values with sources and units, the long-form table, and depth down to the last decimal.
From a simple overview to isotopes and exact atomic weights — you decide how deep it goes.
The depth applies globally or per element — switchable any time, without leaving the app.
Everything a modern periodic table should do — and then some.
Compact standard view and the correct long form with lanthanides and actinides in place — one tap away.
Rotatable atom and shell models in real 3D. Understand electron shells by grabbing and turning them.
Flashcards, quizzes and mini-games with streaks and points. Knowledge grows, the fun stays.
Experiments and virtual instruments — from a Geiger counter to historic apparatus, with the science history behind them.
Images, audio and video bring the elements to life — see, hear, understand.
The heart of PSE: go from the plain sphere to the quantum-mechanical electron cloud — freely switchable, rotatable, and computed from the real electron configuration.
Colour-true point cloud from real |ψ|² — all occupied orbitals overlaid, colour-coded by type and shell.
Choose a rendering
Tap the switches — the view changes live.
Page through the history of the atom. Every model rotates in 3D and is tied to your chosen element — from a historically honest nucleus to full quantum mechanics.
PSE has grown well beyond the classic table: a heatmap view, a virtual lab with over 200 experiments, 3D molecules, the full chart of nuclides, a mixing table and three learning modes. Here are the key tools in detail.
View
Map a numeric property onto the whole periodic table: every tile is shaded along a cool-to-warm gradient, making periodic trends obvious at a glance. For wide value ranges the scale switches to logarithmic automatically, and a legend shows the unit plus the minimum and maximum.
Lab
More than 200 interactive experiments, evenly spread across four levels (child, school, university, pro). From flame colours and titration curves through reaction kinetics, circuits (electromagnet, RC, LC resonance), fields and waves to phase diagrams, MO and orbital diagrams, crystal-field splitting, the Bloch sphere and electron diffraction. Plus virtual instruments — from a Geiger counter to historic apparatus, with the science history behind them.
3D
Over 100 curated molecules, sorted by category — elements & gases, oxides & water, acids, bases & salts, organic chemistry and special structures. Search by name or formula, switch between tile and list view, and open any molecule as a rotatable ball-and-stick model in true 3D.
Nuclear
The complete chart of nuclides: around 5,400 nuclei including isomers in a zoomable, pannable N/Z grid. Three colour modes — stability, decay mode and half-life — with magic numbers, the valley of stability and a legend. Tap a nucleus for its decays, half-life and abundance, and jump from any element straight to its row.
Lab
Pick two substances and mix them: for a known reaction an effect animation plays, with the reaction equation and an explanation — otherwise “no reaction”. Every first discovery earns lab XP, and the reactions you find are tracked as a collection.
Learn
Three learning modes with streaks and points: flashcards with spaced repetition (SM-2) schedule reviews automatically, the quiz tests symbol ↔ name, and memory has you uncover symbol-name pairs. Every round feeds your level, XP and daily streak — with stats and a leaderboard.
With you everywhere — and fully usable without internet.
The whole app works without an account and without internet. Your data stays on the device.
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