University5/5 lessons
Bonding and molecules
Advanced Lewis, formal VSEPR (Gillespie), hybridization, molecular orbital theory, energy diagrams.
- 01
Advanced Lewis theory
Formal charges, hypervalence, octet exceptions, resonance, bond order.
13 min - 02
VSEPR / Gillespie
AXₙEₘ formalism, systematic geometry prediction. Pathological cases and limits.
12 min - 03
Orbital hybridization
sp, sp², sp³, sp³d, sp³d²: geometries, examples (methane, benzene, SF₆). σ and π overlap.
14 min - 04
Molecular orbital theory
AO → MO: linear combination, bonding/antibonding MOs. Diagrams for homo/heteronuclear diatomics.
16 min - 05
Energy diagrams
Building an MO diagram, bond order, magnetic properties (O₂ is paramagnetic).
12 min