How it looks elsewhere
⚛️ Your device
⚛︎ Typographs
Twemoji 
Noto 
Fluent 
OpenMoji Copy as code
What Atom symbol Means
People reach for ⚛️ when they mean atheist, atom, symbol. Searching Snagmoji for any of those words finds it.
Atom symbol is one of the symbols emoji, alongside 🛐 🕉️ ✡️ ☸️ ☯️ and 7 more in the same family.
History & Platforms
Atom symbol was added in 2015 as part of Emoji 1.0. It has artwork in Twemoji, Google's Noto, Microsoft's Fluent, OpenMoji. Apple, Samsung and WhatsApp draw it in their own styles, which is why the same emoji can look a little different from phone to phone.
Under the hood ⚛️ is the 2-code-point sequence U+269B U+FE0F, and on GitHub, Slack and most chat apps you can type it as :atom_symbol:.
How To Use ⚛️
- Copy it: click the big emoji above, or the "Snag it" button.
- Chain it: on the main page, Shift+click emoji to build a string like ⚛️🛐🕉️ and copy it all at once.
- Type it: in Slack, GitHub and Discord, type :atom_symbol: and it converts. On Windows press Win+. and on Mac press Ctrl+Cmd+Space to open the system picker.
- Use it in code: the HTML entity, JavaScript and CSS escapes are in the "Copy as code" box above.