About This Chapter
Chemical Bonding & Molecular Structure - Chapter Summary
Re-familiarize yourself with the concepts of chemical bonding and molecular structure by taking a close look at this chapter. Follow along as our instructors show you vocabulary words and examples associated with such topics as electron energy, pi and sigma bonds, hybridization, valance bond theory, and electromagnetic attraction. Remember that if you have any questions, use your user dashboard to send those questions directly to our experts. Once you complete the lessons in the chapter, you will be prepared to:
- Examine Lewis structures of atoms and the Octet Rule
- Explain covalent and ionic chemical bonds
- Point out chemical compounds and their bond angles and lengths
- Review molecule shapes and the VSEPR Theory
- Show the methods and theories for predicting molecular shapes
- Differentiate the diagrams used for Molecular Orbital Theory
- Establish the formation and types of hydrogen bonds
- Outline coordination chemistry and coordinated compound bonding
Many of the lessons in our chapters are video lessons. You can complete a single lesson in about 5-10 minutes, so watching all of the video lessons within a chapter may actually take less time than it would to watch a whole movie. Beneath each video lesson is a full lesson transcript. This is the word-for-word version of the information from the videos. Some people enjoy watching the video lessons and then reading through the transcripts afterwards, since it helps further commit the information to memory. The transcripts are also useful if you are familiar with a topic and just want to quickly skim over the major terms, definitions, diagrams, and formulas.
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.
2. Chemical Bonds: Ionic vs. Covalent
Atoms make up everything on Earth, and chemical bonds are what hold those atoms together. In this lesson, we'll discuss two very important types of chemical bonds: covalent and ionic.
3. Bond Length & Angle in Chemical Compounds
In this lesson, we will learn about the structure of chemical compounds and chemical bonds. We will learn about the bond length and angle of chemical bonds.
4. 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.
5. 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.
6. 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.
7. Hydrogen Bonds: Definition, Types & Formation
Hydrogen bonds are electromagnetic attractions between the positive and negative poles of atoms. These bonds are weak and easily broken, but account for many of the important properties of things like water and DNA.
8. Coordination Chemistry: Bonding in Coordinated Compounds
Discover what a coordinated compound is. Understand how bonding occurs in coordinated compounds and some of the possible shapes coordinated compounds can be. Learn the uses in nature and industry for coordinated compounds.
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