IB CHEMISTRY

Structure 2.2

The Covalent Model

The language of organic and inorganic chemistry. Beyond dot-and-cross diagrams, master the 3D architecture of molecules, the quantum basis of bonding, and the forces that dictate physical properties.

🎓 Examiner's "Score 7" Overview

Key Differentiation:

  • SLStop at Tetrahedral shapes (sp³). Focus on IMFs and physical properties.
  • HLMust master Expanded Octets, Resonance, Formal Charge, and Hybridization.