Molecular Orbital Theory

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Presentation transcript:

Molecular Orbital Theory Atomic orbitals mix together and make: Bonding Orbitals Electrons in these orbitals help hold atoms near each other Antibonding Orbitals Electrons in these orbitals push atoms apart from each other Nonbonding Orbitals Electrons in these orbitals have no effect on bonding Molecular Orbitals can: be Sigma or Pi be spread over multiple atoms

What is the hybridization on B? sp sp2 sp3 sp3d sp3d2

What is the hybridization on S? sp sp2 sp3 sp3d sp3d2

What is the hybridization on S? sp sp2 sp3 sp3d sp3d2

Molecular Orbital Theory Molecular Orbitals can: be Sigma or Pi be spread over multiple atoms

MO Diagram for H2 H + H  H2

Li2 Bond Order: 2 electrons in a bonding orbital = 1 bond 2 electrons in an antibonding orbital = -1 bond

H2/He2 Examples

H2/He2 Examples

H2/He2 Examples

What is the bond order of He2+? 0.5 1.0 1.5

H2/He2 Examples

Homonuclear Diatomics

Homonuclear Diatomics

Homonuclear Diatomics

Homonuclear Diatomics

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