Electron Configurations (Practice)

The key to mastering electron configurations is consistent practice! Repetition helps you recognize patterns, build intuition, and make sense of how electrons are arranged in an atom’s orbitals.

Electron Configuration for Oxygen and the Oxygen Anion

Practice with an element and it's ion.

Another Electron Configuration Practice Problem

Practice with the Na and Na+.

Electron Configuration Practice with Al and Al 3+

One last practice problem writing electron configurations.