"When filling orbitals of equal energy, electrons fill them singly first with parallel spins." This is known as:
A) Hund's rule.
B) Pauli exclusion principle.
C) Bohr's model.
D) Ground state.
E) none of the above
Answer: A
"When filling orbitals of equal energy, electrons fill them singly first with parallel spins." This is known as:
A) Hund's rule.
B) Pauli exclusion principle.
C) Bohr's model.
D) Ground state.
E) none of the above