Which Statement Is INCORRECT About Molecular Orbital Theory

Multiple Choice

Which statement is INCORRECT about molecular orbital theory?

A) The number of molecular orbitals produced is equal to the number of atomic orbitals combined.
B) Each pair of sigma molecular orbitals is a bonding orbital and an antibonding orbital.
C) The antibonding orbital is at a lower energy than the bonding orbital.
D) The bond order (BO) is .
E) Hund's rule says that each orbital of identical energy has one electron before pairs are formed.