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Schrödinger SketcherThis feature in other tools
Radicals and lone pairs in Schrödinger Sketcher
Atom menu includes Add Unpaired Electron.

- What we checked
- Radical dots or lone pairs can be placed on atoms.
- Result
- Yes, according to the manual: Unpaired-electron controls; lone pairs unverified. Yes, according to the manual. Unpaired-electron controls; lone pairs unverified.
- Version we tested
- Release 2026-4 (build 131), on macOS 27.0.1 arm64
- Manual
- github.com