Ch 4: AP Chemistry: The Periodic Table of Elements

About This Chapter

Watch video lessons on the periodic table of elements and learn about electron shells, column characteristics, atomic size, and more. These lessons are just a portion of our AP Chemistry course.

AP Chemistry: The Periodic Table of Elements - Chapter Summary and Learning Objectives

The periodic table of elements is a foundational tool full of information you'll need in the study of chemistry. In this chapter, our instructors will explain how to use the table and all of information contained within it. The lessons are broken down to focus on different aspects of the periodic table, from valence electron numbers to physical properties. You'll get a strong base of knowledge that you will use throughout the rest of the course and in further studies of chemistry. This chapter is designed to teach you:

  • What the columns of the periodic table mean
  • How to determine electron shells of an element
  • The relationships between different elements on the periodic table
  • Properties of elements based on their position

VideoObjective
The Periodic Table: Properties of Groups and PeriodsLearn about the importance of the arrangement of the periodic table and what it can tell you about certain elements.
The Electron ShellUnderstand how electrons are organized around an atom's nucleus and what the periodic table can tell you about the different levels.
Valence Electrons and Energy Levels of Atoms and ElementsExplore the columns in the periodic table and what information they hold about valence electrons for different elements.
Atomic and Ionic Radii: Trends Among Groups and Periods of the Periodic TableExamine the use of the periodic table to determine atom size by where each element is located.
Ionization Energy: Trends Among Groups and Periods of the Periodic TableDiscover the ways in which atoms are affected by radiation and how the periodic table factors into determining this.
Electronegativity: Trends Among Groups and Periods of the Periodic TableLearn about atomic attraction and how the different groups of elements attract each other.
The Diagonal Relationship, Metallic Character, and Boiling PointUnderstand three other important trends that we can see in the organization of the periodic table of elements.
Transition Metals vs. Main Group Elements: Properties and DifferencesExplore the differences between the main group elements and the transition metals via their placement on the periodic table.

8 Lessons in Chapter 4: AP Chemistry: The Periodic Table of Elements
Test your knowledge with a 30-question chapter practice test
The Periodic Table: Properties of Groups and Periods

1. The Periodic Table: Properties of Groups and Periods

How is the periodic table like the map you used on your last road trip? In this lesson, you will be introduced to the periodic table, the road map of chemists. We will discuss how the elements are organized and how you can use this organization to identify some of their major physical properties.

The Electron Shell

2. The Electron Shell

You may be familiar with the role of electrons in electrical devices, but did you know that electrons also determine the chemical reactivity of everything around you?

Valence Electrons and Energy Levels of Atoms of Elements

3. Valence Electrons and Energy Levels of Atoms of Elements

The periodic table contains a wealth of information. This lesson will explain how to use it to quickly determine the most useful information about the most important electrons. We will be focusing our discussion on valence electrons and energy levels.

Atomic and Ionic Radii: Trends Among Groups and Periods of the Periodic Table

4. Atomic and Ionic Radii: Trends Among Groups and Periods of the Periodic Table

Atoms are VERY tiny. How do we measure their size? This lesson will explain how the size of an atom is measured and teach you how to predict the relative size of an atom based on where it is located on the periodic table.

Ionization Energy: Trends Among Groups and Periods of the Periodic Table

5. Ionization Energy: Trends Among Groups and Periods of the Periodic Table

Do you know someone who has undergone radiation as a form of cancer treatment? Have you ever thought about why X-rays have health risks? Watch the video to find out what these types of radiation are really doing to atoms, define ionization energy and identify ionization trends on the periodic table.

Electronegativity: Trends Among Groups and Periods of the Periodic Table

6. Electronegativity: Trends Among Groups and Periods of the Periodic Table

How is fluorine like a child that doesn't share his or her toys? Find out in this video on electronegativity where we will discuss group and periodic trends among the elements.

The Diagonal Relationship, Metallic Character, and Boiling Point

7. The Diagonal Relationship, Metallic Character, and Boiling Point

What may have once seemed like a bunch of random squares with letters in them is now shaping up to be one very organized chemistry reference. In this lesson you will discover three other trends that are found on the periodic table: the diagonal relationship, trends in metallic character, and trends in boiling point.

Transition Metals vs. Main Group Elements: Properties and Differences

8. Transition Metals vs. Main Group Elements: Properties and Differences

Which is better: to be steadfast and consistent or to be a colorful chameleon? This lesson compares and contrasts the main group elements and the transition metals. Then make your own decision!

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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