Electron Configuration Tool
Pick any element or ion from the periodic table to see its electron configuration, orbital boxes and how the shells fill.
What you can do
- Every element from hydrogen to oganesson, and their ions
- Full and noble gas shorthand notation
- Orbital box diagram following Hund's rule and the Pauli principle
- Flags the exceptions such as Cr and Cu and explains them
- Shows the block, unpaired electrons and shell totals