Chem Rules Flashcards
1
Q
Pauli’s Exclusion Principle
A
An orbital can hold no more than 2 electrons, and only if they have opposite spin.
2
Q
Hund’s Rule of Maximum Multiplicity
A
When 2 or more orbitals of equal energy are available to electrons, they will occupy them singly before filling them in pairs.
3
Q
Aufbau Principle
A
Electrons will occupy the lowest energy levels available to them.
