Periodic Table
Free online periodic table, no installation required. Interactive, click elements for details
About the Periodic Table
An interactive periodic table of elements with detailed information including atomic number, symbol, name, atomic weight, category, electron configuration, and more.
How to Use
Click any element to see its detailed information. Use the search bar to find elements by name, symbol, or atomic number. Toggle the Chinese/English button to switch element name display language.
Element Categories
Elements are color-coded by category: alkali metals, alkaline earth metals, transition metals, post-transition metals, metalloids, nonmetals, halogens, noble gases, lanthanides, and actinides.
▶How are elements color-coded?
Each color represents a different element category. The legend at the top shows which color corresponds to which category (alkali, alkaline, transition metal, etc.).
▶Can I search for elements?
Yes. Use the search bar to find elements by name, symbol, or atomic number. The table will highlight matching elements.
▶What information is shown for each element?
Clicking an element shows its atomic number, symbol, name, Chinese name, atomic weight, category, period, group, and electron configuration.
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