Self-contained scientific interface
Element Atlas
An offline interactive periodic table with embedded element data: atomic weight, protons, electrons, estimated neutrons, density, physical phase, discovery, family, shell model, hazards, and major uses.
118 elements
Offline dataset
Nucleus statistics
Major applications
Comparison lab
Reviewed IUPAC/CIAAW 2024
Laboratory Controls
Periodic Matrix
The full 18-column periodic matrix is fitted to the page width. Density units: gases in g/L; solids and liquids in g/cm³.
Developed by Ahmad M Enaby