Chapter 12: Solids. Types of Solids: Ionic Molecular Network: crystalline amorphous Metallic.

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Presentation transcript:

Chapter 12: Solids

Types of Solids: Ionic Molecular Network: crystalline amorphous Metallic

Which has the weakest IMFs? 1.Ionic solids 2.Molecular solids 3.Extended solids

More Network Solids diamond Quartz: SiO 2

Counting Atoms in Unit Cells: Inside: 1 Face:½ Edge:¼ Corner:1/8

Counting Atoms in Solids

Robred

Counting Atoms in Unit Cells: Inside: 1 Face:½ Edge:¼ Corner:1/8

What is the formula? 1.MX 2.M 2 X 2 3.M 3 X 3 4.M 4 X 4

What is the formula? 1.MX 2.M 2 X 2 3.M 3 X 3 4.M 4 X 4

Unit Cells, Dimensions and Measurements: Ca metal: Face centered cubic unit cell Density = 1.54 g/cm 3 What is the radius of a Ca atom?

Business Friday You Me

Exam

What fraction of a simple cubic unit cell is filled with atoms? What fraction of a face-centered cubic unit cell is filled with atoms?

Determining Crystal Structures: X-Ray Diffraction

What phase will CO2 be in at P= 10 atm, T = 0 o C? 1.Solid 2.Liquid 3.gas

Can CO2 be a liquid at a pressure of 1 atm? 1.yes 2.no

Supercritical Fluids

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