Clear, accurate chemistry definitions 1,509 terms 6 topics 118-element periodic table

Chemistry Games

Free chemistry games you can play in the browser, with no sign-up and nothing to install. They are built to drill the things that are worth knowing cold, like the periodic table and the vocabulary, rather than to hand out points for guessing.

What makes a chemistry game worth playing

Most study games test whether you can recognize an answer when you see it sitting next to three wrong ones. That is the easiest kind of question to write and the least useful kind to practice, because recognition fades fast and it is not what an exam asks for.

The games here work the other way around. You are given properties and asked to produce the element, or given a definition and asked to produce the term. Pulling an answer out of your own head is harder, and it is the thing that actually sticks. Psychologists call it retrieval practice, and it is one of the few study techniques with strong evidence behind it.

A second reason to play something daily rather than cram: spacing. Meeting the periodic table for five minutes a day across a term beats an hour the night before, by a wide margin. A daily puzzle is a low-effort way to get that spacing without having to organize it.

Using these in a classroom

Everything here is free to use in a lesson, and nothing asks a student to create an account or hand over an email address. Scores live in the browser and are never sent anywhere, so there is no data to worry about.

The daily element puzzle works well as a starter: the whole class gets the same element, so you can put it on the board and let the room argue about which clue to chase next. Teachers are welcome to link to it.

More ways to practice

If you would rather look things up than be quizzed, the interactive periodic table gives you all 118 elements with their atomic number, mass, and category, plus a guide to reading groups, periods, and blocks.

For the arithmetic side of chemistry, the calculators cover molarity, dilution, molar mass, pH, the ideal gas law, and stoichiometry. Each one shows its working, so they are usable for checking homework rather than just producing an answer.

And the dictionary itself holds 1,509 chemistry terms, each with a plain-language definition, a worked example, and the questions people usually ask next. Start from the A–Z index or a topic.

Frequently asked questions

Are these chemistry games free?

Yes. Every game on the site is free to play, with no account, no sign-up, and no app to install.

Do they work on a phone?

Yes. The games are built to be played by typing or tapping, and they work in any modern mobile browser.

Are my scores saved?

Streaks and stats are saved in your own browser using local storage. Nothing is sent to a server, and clearing your browsing data will reset them.

Can teachers use these in class?

Yes, and you are welcome to link to them. There is nothing to sign up for, so a whole class can play without handing over any personal information.