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ButlerovThis feature in other tools
Charges, isotopes and atom labels in Butlerov
Atom menu includes Edit and Isotopes options.

- What we checked
- Charges, isotopes and arbitrary element labels can be set on atoms.
- Result
- Yes, according to the manual: Element/custom labels, charge shortcuts and isotope selection. Yes, according to the manual. Element/custom labels, charge shortcuts and isotope selection.
- Version we tested
- 0.1.6, on macOS 27.0.1 arm64
- Manual
- github.com