I. Intermolecular Forces

I. Intermolecular Forces

Ch. Ch. 12 12 -- Liquids Liquids & & Solids Solids I. Intermolecular Forces

A. Definition of IMF Attractive forces between molecules. Much weaker than chemical bonds

within molecules. a.k.a. van der Waals forces B. Types of IMF 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 NCl3 polar = dispersion, dipole-dipole CH4 nonpolar = dispersion

HF H-F bond = dispersion, dipoledipole, hydrogen bonding

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