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Ch.10 - Molecular Shapes & Valence Bond TheoryWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds
Sections
Valence Shell Electron Pair Repulsion Theory
Equatorial and Axial Positions
Electron Geometry
Molecular Geometry
Bond Angles
Hybridization
Molecular Orbital Theory
MO Theory: Homonuclear Diatomic Molecules
MO Theory: Heteronuclear Diatomic Molecules
MO Theory: Bond Order
Additional Guides
Molecular Geometry (IGNORE)
VSEPR Theory

Molecular Orbital Theory allows us to predict the distribution of electrons within a molecule. 

Molecular Orbital (MO) Theory

Concept #1: Recalling Electron Orbital Diagrams

Electron orbital diagrams show electrons as residing within atomic orbitals.

Example #1: Provide the electron orbital diagram for a nitrogen atom (Z = 7).

Example #2: Fill in the electron orbital diagrams for two oxygen atoms that are combining their electrons.

Example #3: Fill in the molecular orbital diagram for when two carbon atoms combine their valence electrons.

Molecular Orbital Diagrams represent chemical bonding as combination of valence electrons from atomic orbitals of elements into molecular orbitals.

Concept #2: Bonding vs Anti-Bonding Molecular Orbitals

Bonding Molecular Orbital is region of high electron density between elements, promotes bond formation.

Anti-bonding Molecular Orbital is region with low electron density and prevents bond formation.

Example #4: Construct the Molecular Orbital Diagram for the dihelium cation, He2+.