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Ch 12: Introduction to Chemical Bonds

About This Chapter

This chapter provides an introduction to chemical bonds and covers a range of topics such as the octet rule, naming ionic compounds, and molecule polarity. These helpful video lessons are a great resource for supplementing class materials or preparing for a test.

Introduction to Chemical Bonds - Chapter Summary

The lessons in this chapter provide you with an introduction to chemical bonds. You'll find an informative discussion of topics like functional groups in organic molecules, intramolecular bonding, metallic bonding, and the molecular-orbital theory. Other lessons examine Lewis dot structures, orbital hybridization and hydrogen bonding. You'll also look at how to write binary and polyatomic ionic compound formulas and predict the bond polarity and ionic character of covalent bonds. After completing the chapter, you should be prepared to:

  • Predict the formation, charge, and formulas for ions
  • Examine the properties of ionic compounds
  • Name simple binary, transition metal, and polyatomic ion compounds
  • Understand the properties, naming, and formation of covalent compounds
  • Explore single, double, and triple bonds of Lewis structures
  • Discuss VSEPR theory and the various molecule shapes
  • Identify molecule polarity of dipoles and dipole moments
  • Describe weak intermolecular forces, such as London dispersion forces

Our subject matter experts explain chemical bonds in an engaging and easy-to-follow manner. Their teaching style includes plenty of examples to ensure this material is easily understood. The video timelines can be used to navigate the lessons by allowing you to jump directly to the topics of greatest interest. A short multiple-choice quiz is available for each lesson.

20 Lessons in Chapter 12: Introduction to Chemical Bonds
Test your knowledge with a 30-question chapter practice test
Functional Groups in Organic Molecules

1. Functional Groups in Organic Molecules

Learn what an organic compound is and how their functional groups affect them. Identify the different types of functional groups including alcohols, alkyl halides, ketones, aldehydes, ethers, carboxylic acids and esters.

Organic Molecules: Alkanes, Alkenes, Aromatic Hydrocarbons and Isomers

2. Organic Molecules: Alkanes, Alkenes, Aromatic Hydrocarbons and Isomers

Learn more about carbon and hydrogen and see how these atoms come together to form distinct molecules. Also, study the difference between saturated and unsaturated molecules.

Intramolecular Bonding and Identification of Organic and Inorganic Macromolecules

3. Intramolecular Bonding and Identification of Organic and Inorganic Macromolecules

Understand what a macromolecule is and be able to identify both organic and inorganic macromolecules. Organic molecules include proteins, lipids, carbohydrates and nucleic acids.

Metallic Bonding: The Electron-Sea Model & Why Metals Are Good Electrical Conductors

4. Metallic Bonding: The Electron-Sea Model & Why Metals Are Good Electrical Conductors

Learn why metallic bonding is called the electron sea model. Discover why metals bond the way they do and why they are shiny, malleable and conduct electricity well.

Molecular Orbital Theory: Tutorial and Diagrams

5. Molecular Orbital Theory: Tutorial and Diagrams

Learn how to sketch the overlap of orbitals to form sigma and pi bonds. Use the molecular orbital theory to determine bond order. Discover how bond order affects bond strength and bond energy.

Using Orbital Hybridization and Valence Bond Theory to Predict Molecular Shape

6. Using Orbital Hybridization and Valence Bond Theory to Predict Molecular Shape

You'll learn how to explain how shapes of molecules can be predicted using valence bond theory and hybridization. When finished, you'll understand the difference between sigma and pi bonds and how the VSEPR theory, along with the hybridization theory, helps predict the shape of a molecule.

London Dispersion Forces (Van Der Waals Forces): Weak Intermolecular Forces

7. London Dispersion Forces (Van Der Waals Forces): Weak Intermolecular Forces

Learn how London dispersion forces are created and what effect they have on properties such as boiling and melting points. Discover this weak intermolecular force and how it is one of the Van der Waals forces.

Hydrogen Bonding, Dipole-Dipole & Ion-Dipole Forces: Strong Intermolecular Forces

8. Hydrogen Bonding, Dipole-Dipole & Ion-Dipole Forces: Strong Intermolecular Forces

Learn about intermolecular vs. intramolecular forces. Learn the different intermolecular bonds (including hydrogen bonding and dipole-dipole and ion-dipole forces), their strengths, and their effects on properties, such as boiling and melting points, solubility, and evaporation.

Dipoles & Dipole Moments: Molecule Polarity

9. Dipoles & Dipole Moments: Molecule Polarity

Learn about dipoles and dipole moments in this lesson. Understand the relationship between dipole moments and molecule polarity, and learn how to determine if a molecule is polar or nonpolar.

VSEPR Theory & Molecule Shapes

10. VSEPR Theory & Molecule Shapes

In this lesson, you'll learn about the VSEPR theory and how it can be used to explain molecule shapes. Then, learn how to predict the shape of a molecule by applying the VSEPR theory to the Lewis dot structure.

Covalent Bonds: Predicting Bond Polarity and Ionic Character

11. Covalent Bonds: Predicting Bond Polarity and Ionic Character

Learn about covalent bonds and their two types: nonpolar covalent bonds and polar covalent bonds. Discover how to predict the type of bond that will form based on the periodic table. Learn what ionic character means and how to determine it.

Lewis Dot Structures: Resonance

12. Lewis Dot Structures: Resonance

In this lesson, we'll review Lewis dot structures and how to draw them. Then, learn about resonance and resonance structures for molecules and polyatomic ions. Afterwards, assess your new knowledge with a quiz.

Lewis Dot Structures: Polyatomic Ions

13. Lewis Dot Structures: Polyatomic Ions

This lesson defines Lewis dot structures and explains how to draw them for molecules in step-by-step detail. We'll also explore polyatomic ions and how to draw Lewis dot structures for them.

Lewis Structures: Single, Double & Triple Bonds

14. Lewis Structures: Single, Double & Triple Bonds

Review what a Lewis dot diagram is and discover how to draw a Lewis dot structural formula for compounds. Learn how to represent single, double and triple bonds with lines instead of dots. Also, learn how compounds arrange themselves.

Covalent Compounds: Properties, Naming & Formation

15. Covalent Compounds: Properties, Naming & Formation

Learn about covalent bonds, how covalent compounds are formed and the properties inherent to covalent compounds, such as low melting and boiling points, in this lesson. Also, learn what rules to follow to name simple covalent compounds.

Writing Ionic Compound Formulas: Binary & Polyatomic Compounds

16. Writing Ionic Compound Formulas: Binary & Polyatomic Compounds

In this lesson, you will learn how to write the chemical formulas for both binary ionic compounds and polyatomic ionic compounds when you are given only the name of the compound. You will see that it is actually quite simple when you learn the steps described in this lesson.

Naming Ionic Compounds: Simple Binary, Transition Metal & Polyatomic Ion Compounds

17. Naming Ionic Compounds: Simple Binary, Transition Metal & Polyatomic Ion Compounds

An important part of dealing with chemical compounds is knowing how to refer to them. Learn how to name all ionic compounds, including simple binary compounds, compounds containing transition metals and compounds containing polyatomic ions.

Ionic Compounds: Formation, Lattice Energy and Properties

18. Ionic Compounds: Formation, Lattice Energy and Properties

In this lesson, you'll learn about ionic compounds and how they form. Additionally, you'll learn the properties of ionic compounds, such as their high melting and boiling points, their ability to conduct electricity, and the fact that they form crystals.

Ions: Predicting Formation, Charge, and Formulas of Ions

19. Ions: Predicting Formation, Charge, and Formulas of Ions

Learn how ions are formed using the octet rule. Use the periodic table to predict the charge an atom will have when it becomes an ion. Learn whether an ion is a cation or anion and how to write the formula depending on what charge the ion has.

The Octet Rule and Lewis Structures of Atoms

20. The Octet Rule and Lewis Structures of Atoms

Learn the octet rule and how it applies to electron energy levels. Identify valence electrons and learn how to determine them by looking at the periodic table. Also, discover how they pertain to the octet rule. Learn how to draw the Lewis diagram of an atom, and understand how it provides clues to chemical bonding.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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