Periodic Table Element Lookup
Look up any chemical element. Search by name, symbol or atomic number. Shows atomic weight, group, period and key properties. Free.
How to use
Search the periodic table
Type a name, symbol or atomic number to find any element instantly. Click an element in the grid below to see its details including atomic weight, group, period, category and discovery year.
Frequently asked questions
Is the Periodic Table free to use?
Yes, the Periodic Table is completely free. There is no sign-up, no account required, and no limit on how often you can use it.
Is the Periodic Table suitable for classroom use?
Yes, the Periodic Table is designed for both individual learners and classroom use. It works on any device with a modern browser — phones, tablets, Chromebooks, and computers.
What devices does the Periodic Table work on?
The Periodic Table works on any device with a modern web browser — desktop, laptop, tablet, or phone. It is mobile-friendly and works offline once the page has loaded.