The Statement That "The Lowest Energy Configuration for an Atom

Multiple Choice

The statement that "the lowest energy configuration for an atom is the one having the maximum number of unpaired electrons allowed by the Pauli principle in a particular set of degenerate orbitals" is known as

A) the aufbau principle
B) Hund's rule
C) Heisenberg uncertainty principle
D) the Pauli exclusion principle
E) the quantum model