What is the primary assumption of molecular orbital theory?

Atomic orbitals combine to form molecular orbitals.

Electrons are localized between two atoms.

Atomic orbitals combine to form molecular orbitals.

Electrons always occupy the lowest energy atomic orbitals first.

Molecular orbitals are identical to atomic orbitals.

Which of the following is true about antibonding molecular orbitals?

They have lower energy than the original atomic orbitals.

They have a higher electron density between the nuclei.

They are always filled with electrons.

Linear Combination of Atomic Orbitals

Localized Combination of Atomic Orbitals

Largest Contributing Atomic Orbitals

(Number of bonding electrons - number of antibonding electrons) / 2

Number of bonding electrons - number of antibonding electrons

Number of bonding electrons + number of antibonding electrons

(Number of bonding electrons - number of antibonding electrons) / 2

(Number of bonding electrons + number of antibonding electrons) / 2

Atomic orbitals combine to form molecular orbitals.

Linear Combination of Atomic Orbitals

(Number of bonding electrons - number of antibonding electrons) / 2

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