Chapter 7- part II Ionic Compounds and Naming of Ionic compounds Resources: Class powerpoint...
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Transcript of 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
End Show© Copyright Pearson Prentice Hall
Slide 2 of 25
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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Slide 3 of 25
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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Slide 4 of 25
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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Slide 5 of 25
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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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Slide 6 of 25
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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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Slide 8 of 25
Ionic Bonds and Ionic Compounds
> Formation of Ionic Compounds
NaCl is the chemical formula for sodium chloride.
7.2
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Slide 9 of 25
End Show
Conceptual Problem 7.2
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Slide 10 of 25
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Conceptual Problem 7.2
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Slide 11 of 25
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Conceptual Problem 7.2
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Slide 12 of 25
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Conceptual Problem 7.2
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Slide 13 of 25
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Practice Problems for Conceptual Problem 7.2
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Ionic Bonds and Ionic Compounds
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Slide 14 of 25
Properties of Ionic Compounds
Properties of Ionic Compounds
What are three properties of ionic compounds?
7.2
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Slide 15 of 25
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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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Slide 16 of 25
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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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Slide 17 of 25
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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