Chapter 7- part II Ionic Compounds and Naming of Ionic compounds Resources: Class powerpoint...

Chapter 7- part II

Ionic Compounds and Naming of Ionic compounds

Resources: Class powerpoint presentation

Textbook sections 7.2 and sections 9.1,9.2,9.5 (naming)

Simulations – Atoms and ionshttp://phet.colorado.edu/en/simulations/category/chemistry/general

Samples of Ionic compound and conductivity sticks

Chapter 7 reading and study guide

Prentice Hall review workbook – parts of Units 2 & 6

POGIL: Chemical formulas and Names of Ionic Compounds

Practice problems

Regents ref. Tables E, S and the Periodic Table

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Ionic Bonds and Ionic Compounds

In many coastal countries that have warm, relatively dry climates, salt is produced by the evaporation of seawater. You will learn how cations and anions combine to form stable compounds such as sodium chloride.

7.2

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Ionic Bonds and Ionic Compounds

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Formation of Ionic Compounds

Formation of Ionic Compounds

What is the electrical charge of an ionic compound?

Compounds composed of cations and anions are called ionic compounds.

7.2

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Ionic Bonds and Ionic Compounds

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Formation of Ionic Compounds

Formation of Ionic Compounds

What is the electrical charge of an ionic compound?

Compounds composed of cations and anions are called ionic compounds.

Although they are composed of ions, ionic compounds are electrically neutral.

7.2

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Ionic Bonds and Ionic Compounds

> Formation of Ionic Compounds

Aluminum metal and the nonmetal bromine react to form an ionic solid, aluminum bromide.

7.2

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Ionic Bonds and Ionic Compounds

> Formation of Ionic Compounds

Ionic Bonds

The electrostatic forces that hold ions together in ionic compounds are called ionic bonds.

7.2

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Slide 7 of 25

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Ionic Bonds and Ionic Compounds

> Formation of Ionic Compounds

Formula Units

• A chemical formula shows the kinds and numbers of atoms in the smallest representative unit of a substance.

• A formula unit is the lowest whole-number ratio of ions in an ionic compound.

7.2

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Ionic Bonds and Ionic Compounds

> Formation of Ionic Compounds

NaCl is the chemical formula for sodium chloride.

7.2

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Conceptual Problem 7.2

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Conceptual Problem 7.2

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Conceptual Problem 7.2

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Conceptual Problem 7.2

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Practice Problems for Conceptual Problem 7.2

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Ionic Bonds and Ionic Compounds

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Properties of Ionic Compounds

Properties of Ionic Compounds

What are three properties of ionic compounds?

7.2

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Ionic Bonds and Ionic Compounds

> Properties of Ionic Compounds

Most ionic compounds are crystalline solids at room temperature.

Ionic compounds generally have high melting points.

7.2

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Ionic Bonds and Ionic Compounds

> Properties of Ionic Compounds

The orderly arrangement of component ions produces the beauty of crystalline solids.

7.2

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Ionic Bonds and Ionic Compounds

> Properties of Ionic Compounds

Ionic compounds can conduct an electric current when melted or dissolved in water.

7.2