II. Physical Properties (p )

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II. Physical Properties (p )

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II. Physical Properties (p )

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II. Physical Properties (p. 363 - 371) Liquids & Solids II. Physical Properties (p. 363 - 371)

Review of Intermolecular Forces - IMF

A. Liquids vs. Solids IMF Strength Fluid Density Compressible Diffusion LIQUIDS Stronger than in gases Y high N slower than in gases SOLIDS Very strong N high extremely slow

B. Liquid Properties Surface Tension attractive force between particles in a liquid that minimizes surface area

B. Liquid Properties Capillary Action attractive force between the surface of a liquid and the surface of a solid water mercury

C. Types of Solids Crystalline - repeating geometric pattern covalent network metallic ionic covalent molecular Amorphous - no geometric pattern decreasing m.p.

C. Types of Solids Ionic (NaCl) Metallic

C. Types of Solids Covalent Molecular Covalent Network Amorphous (H2O) (SiO2 - quartz) Amorphous (SiO2 - glass)