Which of the following statements concerning molecular orbital theory is/are true?
1. Bonding orbitals are equal in energy to their corresponding anti-bonding orbitals.
2. Adding electrons to anti-bonding orbitals destabilizes molecules.
3. Unlike when we fill atomic orbitals, we DON'T use Hund's rule to fill molecular orbitals.
a) 1 only b) 3 only c) 1 and 3 d) 2 only e) 2 only f) 2 and 3 g) 1, 2, and 3