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New in 1.5.0: States of matter • Sandbox chemistry from first principles: bonds, ions and shapes are worked out from each atom's electrons • Long-press an atom to see why it bonds • Box controls: cool to 1 K, Chill, gravity, a piston with live pressure, insulated walls • Petri dish and slide views • Throw clouds of atoms; water condenses into drops • Salt, diamond and copper crystals, flame colours, a battery that splits water, radioactive ³H and ¹⁴C
Periodic table, 455 3D molecules, 224 equations, atom sandbox. 7 languages.
Atomarium - a pocket chemistry and physics lab. ATOMS • All 118 elements with their data, isotopes and electron configuration • Switch any atom between the Bohr model and its real orbitals: the electron cloud is drawn from the hydrogen-like wave functions, with Slater screening and each element's measured size • Protons, neutrons and electrons at a glance MOLECULES • 455 molecules in 3D: natural ones, synthetic and industrial ones, and everyday ones, each marked natural, synthetic or both • Ball-and-stick or space-filling, still, spinning or drifting across the screen • Filter by origin and by field: industry, life, medicine, flavour and scent, minerals, air and space EQUATIONS • 224 equations from school to postgraduate level: mechanics, waves, thermodynamics, electromagnetism, relativity, quantum, nuclear, chemistry and maths • Every symbol explained, with units and CODATA constants • Solve for any unknown • Written as in a textbook (fractions, roots, subscripts) and graded for difficulty from 1 to 10 • Graphs for 105 of them: several curves at once, 3D surfaces, paths and field maps LAB • Sandbox: drop atoms into a box and watch them collide, bond and react, with real bond energies and angles. Strike a spark to make hydrogen and oxygen burn into water • Records to beat: biggest explosion, biggest molecule, molecules discovered • Chemistry from first principles: bonds, ions and shapes come from each atom's electrons (long-press an atom to see why). Cool to 1 K, add gravity, squeeze with a piston and read the pressure, throw clouds of atoms, grow salt, diamond and copper crystals, watch water condense and split it with a battery • Simulate pairs of atoms and molecules, build your own atom and see which isotope it is, look up reactions • 13 animated quantum experiments: double slit, Stern-Gerlach, Bell pairs, tunnelling, the photoelectric effect and more QUIZ • 16 learning games in three quizzes: Elements, Molecules and Quantum • Elements: name the 3D atom, symbols, families, particle counts, and "Will it bond?": ionic, covalent or metallic, and which compound forms • Molecules: spot the molecule, its shape, molar mass, formula and moles • Quantum: spin states on the Bloch sphere, gates, measurement odds, equations and calculations with worked solutions • Streak bonus, levels, high scores, 118 player levels and element avatars LANGUAGES • English, Français, العربية, Srpski, ไทย, Oʻzbekcha, Tiếng Việt FREE WITH ADS • Banner ads on the main tabs and occasional full-screen ads • An optional ads-free purchase through Google Play removes all ads No account needed. Your settings and progress are stored on this phone.