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Periodic table
An interactive periodic table with every element's mass, group, electrons and uses, in English and Arabic.
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About Periodic table
Click any element to see its atomic number, mass, group, period, electron configuration and common uses. The table is colored by category, such as alkali metals, halogens and noble gases, so patterns are easy to spot. Names are available in English and Arabic for students.
How to use Periodic table
- Enter your numbers above.
- The result updates instantly as you type.
- Change any value to compare different cases.
Why use this tool?
- Private: everything happens in your browser. Nothing you enter is uploaded.
- Free, with no sign-up, no watermark and no limit on how often you use it.
- Works on phones, tablets and computers: Android, iPhone, Windows, Mac and Linux. Nothing to install.
- Available in 10 languages.
Also known as
Frequently asked questions
How many elements are in the periodic table?
There are 118 confirmed elements, from hydrogen (1) to oganesson (118). Elements are arranged by atomic number, meaning the number of protons.
Is Periodic table free?
Yes. Periodic table on Toolipedia is free to use, with no sign-up and no watermark.
Is it safe to use?
Yes. Everything is worked out in your browser, and nothing you enter is sent to our server.
Does it work on my phone?
Yes. It works in any modern browser on Android and iPhone, as well as on tablets and computers. There's nothing to install.
Do I need an account?
No. Just open the page and use the tool. There's no sign-up and no email needed.