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Ch 26: Principles of Atomic Structure

About This Chapter

Delve deeper into the principles of atomic structure with these lessons on wave-particle duality, quantum numbers, the de Broglie hypothesis, and more. If you are preparing for an exam or class discussion, the lesson quizzes can help boost your confidence by testing your knowledge of the topics in advance.

Principles of Atomic Structure - Chapter Summary

In these lessons on the principles of atomic structure, you'll review electron configurations in atomic energy levels and the s, p and d orbitals. You can also review the Bohr model and the quantum mechanical model. By the end of the chapter, you should be prepared to:

  • Explain what electrons do inside an atom
  • Recall rules for how electrons fit in the atomic structure
  • Write sets of quantum numbers for electrons
  • Discuss how light is produced
  • Explain the theory of wave-particle duality
  • Describe the significance of the de Broglie hypothesis
  • Define the Heisenberg uncertainty principle

The easy-to-follow teaching style used by our expert educators can help you quickly get up to speed on principles of atomic structure. A brief quiz is available for each lesson to test your knowledge of topics covered. If you have questions about any of the lesson material, the instructors are here to help.

9 Lessons in Chapter 26: Principles of Atomic Structure
Test your knowledge with a 30-question chapter practice test
Electron Configurations in Atomic Energy Levels

1. Electron Configurations in Atomic Energy Levels

This lesson will explain what the electrons are doing inside the atom. Tune in to find out how we specify where they are located and how this location description will help us predict an element's properties.

Electron Configurations in the s, p & d Orbitals

2. Electron Configurations in the s, p & d Orbitals

Getting confused by long lists that start with 1s and seem to go on forever? Don't worry, this lesson on electron configuration will help you understand how to describe electron placement in no time.

Atomic Structures: Pauli Exclusion Principle, Aufbau Principle & Hund's Rule

3. Atomic Structures: Pauli Exclusion Principle, Aufbau Principle & Hund's Rule

This lesson discusses the three main rules that govern how electrons fit in the atomic structure by filling the shells, subshells, and orbitals. We will also review the basics of quantum numbers before learning these principles.

Four Quantum Numbers: Principal, Angular Momentum, Magnetic & Spin

4. Four Quantum Numbers: Principal, Angular Momentum, Magnetic & Spin

Each electron inside of an atom has its own 'address' that consists of four quantum numbers that communicate a great deal of information about that electron. In this lesson, we will be defining each quantum number and explaining how to write a set of quantum numbers for a specific electron.

The Bohr Model and Atomic Spectra

5. 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.

Wave-Particle Duality: Concept, Explanation & Examples

6. Wave-Particle Duality: Concept, Explanation & Examples

Is light a particle with mass and substance? Or, is it just a wave traveling through space? Most scientists say light is both a particle and a wave! Find out how they came to this strange conclusion as we learn about the theory of wave-particle duality.

The de Broglie Hypothesis: Definition & Significance

7. The de Broglie Hypothesis: Definition & Significance

The de Broglie hypothesis states that particles of matter can behave as both waves and particles, just like light. In this lesson, we'll learn the basics of the de Broglie hypothesis and how it related to other theories released at the same time.

Heisenberg Uncertainty Principle: Definition & Equation

8. Heisenberg Uncertainty Principle: Definition & Equation

The Heisenberg uncertainty principle is one of the core concepts in quantum mechanics. In this lesson, we define the uncertainty principle and learn more about its implications for physical science.

The Quantum Mechanical Model: Definition & Overview

9. The Quantum Mechanical Model: Definition & Overview

Discover the quantum mechanical model of the atom and determine the way in which it is different from the orbital model. Learn about the quantum mechanical properties of electrons, then take a quiz to test what you know.

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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