Ch 38: Atoms & Nuclei

About This Chapter

In this chapter, get ready to go over atoms and nuclei. We offer self-assessment quizzes that can help you measure what you already know about these science topics, allowing you to make study schedules that let you skip what you know and focus on the areas in which you need the most help.

Atoms & Nuclei - Chapter Summary

If you have not gone over the topic of atoms and nuclei in a while, this chapter may be just what you need to brush-up on these science concepts. Use the chapter menu to see the available lessons. Review the lessons in order from start to finish, or focus on just a few lessons. Our instructors have built these lessons to help you sharpen your skills and recall major vocab words, definitions, and the steps for calculating related formulas. By going through the entire chapter, you will be prepared to do the following:

  • Determine the properties and symbols of alpha particles
  • Outline a diagram of the Rutherford Model of the atom
  • Establish atomic spectra and the Bohr Model
  • Evaluate the size and structure of the atomic nucleus
  • Figure out the formula associated with and the types of radioactive decay
  • Differentiate the various applications of nuclear chemistry

In a large majority of our chapters, our instructors use video lessons to educate you about these topics. Some people prefer the video lessons, as they provide a visual and audio way to learn in a self-paced environment. Since our video lessons are short and usually can be completed in 5-10 minutes, it's easier for you to say focused on each lesson topic. Underneath our video lessons are transcripts of all the materials covered in each lesson. Think of these transcripts like your own personal set of notes. After you watch the lesson at least once, you can come back to these transcripts and skim through to pick out the key terms, major concepts, and important graphics. After all, sometimes reinforcing what you've watched in the lessons by reading through the transcripts can help further cement the information in your brain.

6 Lessons in Chapter 38: Atoms & Nuclei
Test your knowledge with a 30-question chapter practice test
Alpha Particle: Definition, Symbol & Properties

1. Alpha Particle: Definition, Symbol & Properties

This lesson will explain what an alpha particle is and what symbols are used to represent it, and will also describe the properties of alpha particles. A short quiz will follow.

Rutherford Model of the Atom: Definition & Diagram

2. Rutherford Model of the Atom: Definition & Diagram

Though it is no longer the most accurate representation of an atom, at the time Rutherford's model was revolutionary. Learn about the development of the model of the atom and how it changed throughout history, then assess your knowledge with a quiz.

The Bohr Model and Atomic Spectra

3. The Bohr Model and Atomic Spectra

Do you ever wonder where light comes from or how it is produced? In this lesson, we are going to use our knowledge of the electron configurations and quantum numbers to see what goes on during the creation of light.

Atomic Nucleus: Definition, Structure & Size

4. Atomic Nucleus: Definition, Structure & Size

The atomic nucleus is the central part of the atom. There is a lot to be told by the structure of the atomic nucleus. This lesson goes through the structure of the atomic nucleus and other factors that the atomic nucleus tells us.

Radioactive Decay: Definition, Formula & Types

5. Radioactive Decay: Definition, Formula & Types

In this lesson, we'll discuss radioactive decay and learn the terms parent nucleus, daughter nucleus, and half-life. We'll also examine three types of radioactive decay.

Fusion, Fission, Carbon Dating, Tracers & Imaging: Applications of Nuclear Chemistry

6. Fusion, Fission, Carbon Dating, Tracers & Imaging: Applications of Nuclear Chemistry

What can the sun do that we can't? How do carbon atoms 'date'? Are radioactive isotopes helpful in the medical field? The answers to these questions can be found in this lesson on the applications of nuclear chemistry.

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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