Developer Tools
Periodic Table
🔒 Runs in your browser
Interactive periodic table with all 118 elements. Click any element for atomic data and electron configuration.
Click any element to see its details.
Alkali MetalAlkaline EarthTransition MetalPost-Transition MetalMetalloidNonmetalHalogenNoble GasLanthanideActinide
How to Read the Periodic Table — Free Interactive Tool (2026)
Explore all 118 elements with a free interactive periodic table. Click any element to see atomic number, mass, electron configuration, group, period, and category.