II. Physical Properties

(p. 363 - 371)

Ch. 12 - Liquids & SolidsCh. 12 - Liquids & SolidsCh. 12 - Liquids & SolidsCh. 12 - Liquids & Solids

A. Liquids vs. SolidsA. Liquids vs. Solids

LIQUIDS

Stronger than in gases

Y

high

N

slower than in gases

SOLIDS

Very strong

N

high

N

extremely slow

IMF Strength

Fluid

Density

Compressible

Diffusion

B. Liquid PropertiesB. Liquid Properties

Surface Tension• attractive force between particles in a

liquid that minimizes surface area

B. Liquid PropertiesB. Liquid Properties

Capillary Action• attractive force between the surface of

a liquid and the surface of a solid

water mercury

C. Types of SolidsC. Types of Solids

Crystalline - repeating geometric pattern• covalent network• metallic• ionic• covalent molecular

Amorphous - no geometric pattern

decreasingm.p.

C. Types of SolidsC. Types of Solids

Ionic(NaCl)

Metallic

C. Types of SolidsC. Types of Solids

CovalentMolecular

(H2O)

CovalentNetwork

(SiO2 - quartz)

Amorphous(SiO2 - glass)

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Phase ChangesPhase ChangesPhase ChangesPhase Changes