About This Chapter
Who's it for?
This unit of our High School Chemistry Homeschool course will benefit any student who is trying to learn about the atom. There is no faster or easier way to understand atomic structures. Among those who would benefit are:
- Students who require an efficient, self-paced course of study to learn about atomic and mass numbers, atomic theories, the Bohr model and the Heisenberg uncertainty principle.
- Homeschool parents looking to spend less time preparing lessons and more time teaching.
- Homeschool parents who need a science curriculum that appeals to multiple learning types (visual or auditory).
- Gifted students and students with learning differences.
How it works:
- Students watch a short, fun video lesson that covers a specific unit topic.
- Students and parents can refer to the video transcripts to reinforce learning.
- Short quizzes and the Understanding Atomic Structure unit exam confirm understanding or identify any topics that require review.
Understanding Atomic Structure Unit Objectives:
- List and define essential concepts, such as proton, neutron, electron and mass.
- Explain how to figure out the atomic number and mass number of an atom.
- Explain early atomic theories set forth by Dalton, Thomson, Rutherford and Millikan.
- Define isotope, and explain its relationship to atomic mass.
- Discuss why Avogardo's number is used to count atoms, and demonstrate how to use it.
- Describe electron configurations at each main energy level.
- Demonstrate how to write electron configurations.
- Describe the Pauli and Aufbau exclusion principles and Hund's rule.
- Explain diamagnetism and paramagnetism.
- List and describe the four quantum numbers.
- Draw the Bohr model of the hydrogen atom, and explain how it relates to atomic spectra.
- Define the Heisenberg uncertainty principle, and discuss why it's important.
- Define the de Broglie Hypothesis, and discuss its importance.
1. The Atom
Tune into this lesson to find out what matters about matter. What exactly is an atom? And, how do the atoms that make up the elements in the periodic table differ from one another?
2. Atomic Number and Mass Number
Atoms are the basic building blocks of everything around you. In order to really understand how atoms combine to form molecules, it's necessary to be familiar with their structure. In this lesson, we'll dissect atoms so we can see just what really goes into those little building blocks of matter.
3. Early Atomic Theory: Dalton, Thomson, Rutherford and Millikan
Imagine firing a bullet at a piece of tissue paper and having it bounce back at you! You would probably be just as surprised as Rutherford when he discovered the nucleus. In this lesson, we are going to travel back in time and discuss some of the major discoveries in the history of the atom.
4. Isotopes and Average Atomic Mass
When you drink a glass of water, you are actually drinking a combination of heavy water and light water. What's the difference? Is it harmful? This video will explain the difference between the two types of water and go into detail on the significance of the different isotopes of elements.
5. Avogadro's Number: Using the Mole to Count Atoms
How do we move from the atomic world to the regular world? Because atoms are so tiny, how can we count and measure them? And what do chemists celebrate at 6:02 AM on October 23rd each year? In this lesson, you will be learning how Avogadro's number and the mole can answer these questions.
6. 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.
7. 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.
8. Diamagnetism & Paramagnetism: Definition & Explanation
In this lesson, we learn more about electron configuration through the concepts of diamagnetism and paramagnetism. We will review electron structure in an atom, and define diamagnetism and paramagnetism.
9. 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.
10. 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.
11. 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.
12. 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.
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Other chapters within the High School Chemistry: Homeschool Curriculum course
- Introduction to Chemistry: Homeschool Curriculum
- Measurement and Problem Solving: Homeschool Curriculum
- Experimental Laboratory Chemistry: Homeschool Curriculum
- What Is Matter?: Homeschool Curriculum
- The Periodic Table of Elements: Homeschool Curriculum
- The Representative Elements of the Periodic Table: Homeschool Curriculum
- Nuclear Chemistry: Homeschool Curriculum
- Bonding for High School Chemistry: Homeschool Curriculum
- Phase Changes for Liquids and Solids: Homeschool Curriculum
- Gases in Chemistry: Homeschool Curriculum
- Solutions in Chemistry: Homeschool Curriculum
- Stoichiometry and Chemical Equations: Homeschool Curriculum
- Acids, Bases and Reactions: Homeschool Curriculum
- Equilibrium: Homeschool Curriculum
- Chemistry Kinetics: Homeschool Curriculum
- Thermodynamics in Chemistry: Homeschool Curriculum
- Organic Chemistry Basics: Homeschool Curriculum
- Nucleic Acids - DNA and RNA: Homeschool Curriculum
- DNA Replication - Processes and Steps: Homeschool Curriculum