Periodic Table
All 118 elements, color-coded by category. Hover for a quick summary, click for the full article, or search by symbol or name.
Hover a tile for a summary. Click it for the full article.
All 118 elements, color-coded by category. Hover for a quick summary, click for the full article, or search by symbol or name.
Hover any tile for a quick summary, click it for the full article with more scientific detail and a couple of fun facts, or type into the search box to highlight matching elements by symbol or name while everything else dims.
By element category - alkali metals, noble gases, transition metals, lanthanides, and so on. The legend above the table shows exactly what each color means.
The search checks both the element's symbol and its full name, so either one finds it.
Standard, widely published atomic data - symbols, atomic numbers, and standard atomic weights. A handful of the heaviest, most recently synthesized elements have no naturally occurring atomic weight, so the mass number of their most stable known isotope is shown instead.
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