Periodic Table
A free, ad-free periodic table for iPhone and Android. Every element and isotope, powered entirely by open chemistry data.
What it does
- Interactive table — all 118 elements, pinch to zoom, and color the table by category, mass, density, electronegativity, and more.
- Element cards — overview, Bohr shell diagram, physical and atomic properties, isotope counts, and a Wikipedia link.
- Isotope browser — 3,383 nuclides from IAEA data, with half-life, decay modes, abundance, and binding energy.
- Tools — a molar-mass calculator, balanced equations, trend graphs, a dictionary, and offline reference tables.
No ads, no paywalls, no accounts. Open source under Open Grounds Studio.