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Ch 5: Chemical Bonding

About This Chapter

Watch chemistry video lessons with short quizzes to check your progress. Learn about a variety of chemical bonding concepts, including Lewis structures, covalent compounds and ionic compounds.

Chemical Bonding - Chapter Summary and Learning Objectives

Learn all about chemical bonding with the video lessons in this chapter. You'll find out about Lewis structures, which are diagrams that show the bonding of atoms and electrons within a molecule. Study ionic compounds in our lessons, too. You'll get to learn about their formation, as well as about lattice energy and the different properties of these compounds. Get the scoop on covalent compounds and covalent bonds with information on their properties and how they're formed.

Along with our brief, entertaining videos, we provide lesson transcripts and multiple-choice quizzes. You can also send questions on the covered topics to our instructors. After watching these videos, you'll see:

  • How to draw Lewis structures
  • What you need to know to name binary covalent compounds
  • How to predict bond polarity and ionic character
  • What creates London dispersion forces
  • Why bond order affects a bond's strength and energy
  • Why metals are good electrical conductors
  • How to identify organic and inorganic macromolecules

Video Objective
The Octet Rule and Lewis Structures of AtomsExplain the octet rule and how to apply it. Learn to draw the Lewis symbol.
Ions: Predicting Formation, Charge, and Formulas of IonsSee how ions form, predict the charge and write the formula.
Ionic Compounds: Formation, Lattice Energy and PropertiesAnalyze the formation of an ionic compound and list their properties.
Naming Ionic Compounds: Simple Binary, Transition Metal & Polyatomic Ion CompoundsIdentify all types of ionic compounds.
Writing Ionic Compound Formulas: Binary & Polyatomic CompoundsLearn to write ionic formulas.
Covalent Compounds: Properties, Naming & FormationExamine the ways covalent compounds form.
Lewis Structures: Single, Double & Triple BondsDraw several types of Lewis structures.
Lewis Dot Structures: Polyatomic IonsCreate Lewis structures of polyatomic ions.
Lewis Dot Structures: ResonanceAnalyze resonance in Lewis dot structures.
Covalent Bonds: Predicting Bond Polarity and Ionic CharacterLearn to predict the polarity of a bond.
VSEPR Theory & Molecule ShapesUse the VSEPR theory to predict the shapes of molecules.
Dipoles & Dipole Moments: Molecule PolarityExamine molecule polarity.
Hydrogen Bonding, Dipole-Dipole & Ion-Dipole Forces: Strong Intermolecular ForcesDescribe intermolecular forces and how they impact properties such as boiling points.
London Dispersion Forces (Van Der Waal's Forces): Weak Intermolecular ForcesLearn about London dispersion forces and their effects on properties.
Using Orbital Hybridization and Valence Bond Theory to Predict Molecular ShapeStudy how to predict shapes of molecules with valence bond theory and hybridization.
Molecular Orbital Theory: Tutorial and DiagramsDetermine bond order with molecular orbital theory.
Metallic Bonding: The Electron-Sea Model & Why Metals Are Good Electrical ConductorsSee why metals are good conductors of electricity.
Intramolecular Bonding and Identification of Organic and Inorganic MacromoleculesIdentify organic and inorganic macromolecules and describe their bonding.
Organic Molecules: Alkanes, Alkenes, Aromatic Hydrocarbons and IsomersLook at the structure of organic molecules.
Functional Groups in Organic MoleculesUse functional groups to identify organic molecules.

20 Lessons in Chapter 5: Chemical Bonding
The Octet Rule and Lewis Structures of Atoms

1. 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.

Ions: Predicting Formation, Charge, and Formulas of Ions

2. 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.

Ionic Compounds: Formation, Lattice Energy and Properties

3. 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.

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

4. 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.

Writing Ionic Compound Formulas: Binary & Polyatomic Compounds

5. 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.

Covalent Compounds: Properties, Naming & Formation

6. 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.

Lewis Structures: Single, Double & Triple Bonds

7. 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.

Lewis Dot Structures: Polyatomic Ions

8. 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 Dot Structures: Resonance

9. 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.

Covalent Bonds: Predicting Bond Polarity and Ionic Character

10. 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.

VSEPR Theory & Molecule Shapes

11. 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.

Dipoles & Dipole Moments: Molecule Polarity

12. 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.

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

13. 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.

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

14. 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.

Using Orbital Hybridization and Valence Bond Theory to Predict Molecular Shape

15. 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.

Molecular Orbital Theory: Tutorial and Diagrams

16. 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.

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

17. 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.

Intramolecular Bonding and Identification of Organic and Inorganic Macromolecules

18. 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.

Organic Molecules: Alkanes, Alkenes, Aromatic Hydrocarbons and Isomers

19. 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.

Functional Groups in Organic Molecules

20. 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.

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