Nucleus gives you the ability to view the periodic table of the elements, as well as a variety of properties for each element, some with a visual representation. There is also search functionality which gives you the elements in a list for efficient viewing
Screenshots
Observed history
| App | Change | Version | When ↑ |
|---|
No observed changes yet.
The initial import establishes a baseline. Future version changes will appear here.
Browse the app catalogue →Upstream releases
Release notes supplied by the developer. These dates are not Flathub package publication times.
316 May 2026
- Aligned the "no-results" page to the top
- Added theoretical indicator to Ununennium
- Updated boil, electronegativity pauling and ionization energies properties for Ununennium
- Updated to GNOME 50 runtime
- Added French Translation
- Added Italian translation
222 Oct 2025
This update brings translation support for Nucleus and a few minor additions and tweaks.
- Added a search shortcut
- Added a status page for when no results were found in the search page
- Electron shell dialog is now sized dynamically instead of being fixed
- Fixed Named by property for Vanadium, Cadmium and Promethium
- Added support for radioactivity
- Moved Lu/Lr in the d-block
- Made it possible to search for element symbols
- Capitalized row titles in element info
- Updated to GNOME 49 runtime
- Ported to the new shortcuts dialog
- Added Brazil Portuguese translation
- Added Turkish translation
- Added German translation
- Added Finnish translation
128 Jul 2025
Initial release!

