WAEC - Chemistry (2017 - No. 3)
Pauli exclusion principle is related to
quantity of electrons in the valence shell
filling the orbitals with lower energy first
the filling of degenerated orbitals
quantum numbers of electrons
הֶסבֵּר
Pauli Exclusion Principle states that, in an atom or molecule, no two electrons can have the same four electronic quantum numbers.