Linked from
The 69 pages that link to Pauli exclusion principle, each with the reason it gives.
Triple bondRelated: It constrains how paired electrons occupy the bonding orbitals.
Particle statisticsRelated: It is the occupation constraint imposed by fermionic antisymmetry.
Helium atomRelated: The two 1s electrons must have opposite spins to share that orbital.
Atomic systemRelated: It organizes electrons into distinct states within atoms.
Period 1 elementRelated: It limits the 1s orbital to two electrons, setting Period 1’s length.
Spin-½Related: It is a major consequence of spin-½ particles' fermionic exchange behavior.
Valence and conduction bandsRelated: It governs how electrons fill states within the bands.