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OpenChemLib JS editorThis feature in other tools
Charges, isotopes and atom labels in OpenChemLib JS editor
A positively charged carbon on the editor canvas.

- What we checked
- Charges, isotopes and arbitrary element labels can be set on atoms.
- Result
- Yes, according to the manual: Atom tools set elements, charges, isotope masses and custom labels. Yes, according to the manual. Atom tools set elements, charges, isotope masses and custom labels.
- Version we tested
- v9.25.2, on macOS 27.0.1 arm64
- Manual
- github.com