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Molecular and ionic compound structure and properties

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Types of chemical bonds

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Ionic bonds
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Covalent bonds
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Metallic bonds
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Predicting bond type (metals vs. nonmetals)
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Predicting bond type (electronegativity)
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Intramolecular force and potential energy

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Bond length and bond energy
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Worked example: Interpreting potential energy curves of diatomic molecules
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Lattice energy
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Intramolecular force and potential energyGet 3 of 4 questions to level up!

Structure of ionic solids

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Representing ionic solids using particulate models
(Opens a modal)
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Structure of ionic solidsGet 3 of 4 questions to level up!

Structure of metals and alloys

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Representing alloys using particulate models
(Opens a modal)
Practice
Structure of metals and alloysGet 3 of 4 questions to level up!

Quiz 1

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Lewis diagrams

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Drawing Lewis diagrams
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Worked example: Lewis diagram of formaldehyde (CH₂O)
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Worked example: Lewis diagram of the cyanide ion (CN⁻)
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Exceptions to the octet rule
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Worked example: Lewis diagram of xenon difluoride (XeF₂)
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Lewis diagramsGet 3 of 4 questions to level up!

Resonance and formal charge

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Resonance
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Formal charge
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Worked example: Using formal charges to evaluate nonequivalent resonance structures
(Opens a modal)
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Resonance and formal chargeGet 3 of 4 questions to level up!

VSEPR

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VSEPR for 2 electron clouds
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VSEPR for 3 electron clouds
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VSEPR for 4 electron clouds
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VSEPR for 5 electron clouds (part 1)
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VSEPR for 5 electron clouds (part 2)
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VSEPR for 6 electron clouds
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Molecular polarity
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VSEPRGet 3 of 4 questions to level up!

Bond hybridization

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sp³ hybridization
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Steric number
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sp² hybridization
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sp hybridization
(Opens a modal)
Worked examples: Finding the hybridization of atoms in organic molecules
(Opens a modal)
Practice
Bond hybridizationGet 3 of 4 questions to level up!

Quiz 2

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Unit test

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About this unit

This unit examines how atomic structure relates to the macroscopic properties of substances. Learn about chemical bonding, the structures of metals and alloys, Lewis diagrams, resonance and formal charge, VSEPR, and more. Practice what you’ve learned and study for the AP Chemistry exam with more than 85 AP-aligned questions.
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