High schoolConstitution of matter12 minComing soon
Electron configuration
Filling rules (Aufbau, Pauli, Hund), notations like [Ar] 4s² 3d⁶, valence electrons. Iron, copper, transition metal cases.
This lesson is part of the curriculum but has not been written yet. The structure is in place and content is being added by batches. In the meantime, you can read the published lessons of this chapter below.