Atomica

Molecule lab

Build any molecule from any of the 118 elements. Atomica recognises real ones and tells you how they are made; build something new and name it.

Pick an element, then tap here to drop atoms. Use Bond to join them.
Presets:
Elements (all 118)
Showing the common ones. Search for any other element.
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Build something and Atomica will tell you what it is.