I. Intermolecular Forces

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Presentation transcript:

I. Intermolecular Forces Liquids & Solids I. Intermolecular Forces

A. Definition of IMF Much weaker than chemical bonds within molecules. Attractive forces between molecules. Much weaker than chemical bonds within molecules. a.k.a. van der Waals forces

B. Types of IMF C. Johannesson

B. Types of IMF London Dispersion Forces View animation online.

B. Types of IMF Dipole-Dipole Forces + - View animation online.

B. Types of IMF Hydrogen Bonding

C. Determining IMF NH3 polar = dispersion, dipole-dipole CH4 nonpolar = dispersion HF H-F bond = dispersion, dipole-dipole, hydrogen bonding