Ch 27: The Atom & Structure of Elements

About This Chapter

Let us help you refresh your knowledge of the structure of the atom and the related topics of valency and molecular weight. This chapter can be used as a mobile study guide to help you get the best score you can on a test or homework assignment.

The Atom & Structure of Elements - Chapter Summary

In this chapter, you will learn about the basic structure of the atom and look at how atoms differ from one another. The concepts of mass number and atomic number will be introduced. The formula used to discover molecular weight will be presented.

You will also learn about the energy levels of atoms and valence electrons. After you have reviewed these lessons, you should be prepared to do the following:

  • Explain how atoms make up elements on the periodic table
  • Describe the structure of an atom
  • Determine molecular weight by using a formula
  • Outline what a valence electron is and does

As you read through the chapter, contact an instructor if you have additional questions. These study materials are mobile-friendly and available for you to review at any time. You can use the lessons and quizzes to discover where you may need to focus more of your study.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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