About This Chapter
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- Learn at Your Pace: You can pause and rewatch lessons as often as you'd like, until you master the material.
- Understand how elements form the building blocks of molecules and compounds.
- Create mixtures and solutions by combining elements and compounds.
- Describe the characteristics of covalent, ionic, polar covalent and hydrogen bonds.
1. Understanding the Relationships between Elements, Molecules & Compounds
Everything on Earth is made of atoms, and sometimes they combine to form new groups of atoms. The sky is the limit when it comes to these combinations, which account for the vast number of things we find in our natural world.
2. Creating Mixtures by Combining Elements & Compounds
Do you really know what's in your tap water? It's not just water - it's a mixture of many different things. In fact, most things are mixtures of different elements and compounds that are physically joined together.
3. Creating Solutions by Combining Elements & Compounds
When elements and compounds physically combine, we get mixtures. But sometimes we can't tell just by looking at something that it's a mixture because the components are so well mixed. When this happens, we have solutions.
4. Chemical Bonds I: Covalent
Mom always said that sharing is caring. This lesson will explore how electrons affect the chemical reactivity of atoms and specifically the merits of sharing electrons.
5. Chemical Bonds II: Ionic
Did you know that the scientific name for table salt is sodium chloride? Find out how sodium and chlorine atoms come together to form your favorite seasoning.
6. Chemical Bonds III: Polar Covalent
Are you confused about how you can tell what kind of bond two atoms will form? This lesson will help you understand the difference between polar and nonpolar covalent bonds as well as how to predict how two atoms will interact.
7. Chemical Bonds IV: Hydrogen
Have you ever been curious about why table salt dissolves in water? Well, watch this video and amaze your friends with your knowledge of hydrogen bonds and intermolecular interactions.
8. Heptane: Structure, Uses & Formula
Discover the structure, physical properties, sources, and uses of the saturated hydrocarbon heptane (C7H16). Learn about heptane's vital role in establishing the octane rating scale for gasoline.
9. Homogeneous Mixture: Definition & Examples
We use many types of mixtures in everyday life. In this lesson, you will learn about a type of mixture known as a homogeneous mixture so you will be able to identify them in the future.
10. Hydrogen Chloride: Formula, Structure & Properties
Hydrochloric acid is a strong acid that contains a hydrogen and a chlorine atom per molecule. It is an important acid commercially and biologically, and this lesson will discuss the properties of HCl that contribute to these uses.
11. Hydrogen Fluoride: Uses & Formula
Hydrogen fluoride is a chemical molecule formed from the covalent bonding of hydrogen and fluorine atoms. This article discusses the many uses of hydrogen fluoride, as well as the potential dangers of exposure to this chemical.
12. Nonane: Structure & Uses
Discover the structure, sources and uses of the saturated hydrocarbon nonane (C9H20). Learn about nonane's physical properties and its impact on humans and environment.
13. What is a Solvent? - Definition & Examples
In this lesson, we'll learn about solvents. We'll learn what they are and understand the role they play in a solution. By the end of the lesson, you will be able to identify a solvent as well as predict what will dissolve in it.
14. What is Ammonia? - Formula & Sulfate
This lesson describes the molecular compound ammonia. Common sources of ammonia and the chemical bonding, simple reactions, and uses of one particular compound, ammonium sulfate, are included in the discussion.
15. What is Carbon Monoxide? - Effects & Overview
Carbon monoxide is often called the silent killer, but do you know why? In this lesson we'll learn what carbon monoxide is, how it is formed and how it affects the body so silently. You can test your new knowledge with a quiz.
16. What is Cyanide? - Definition, Formula & Effects
Cyanide is a poison which has been used since the ancient Egyptians, but how does it work? To help us answer this question, we will learn about cyanide's chemical structure, where it's found, and how it interacts with key biological molecules in the human body.
17. What is Methane? - Reactions & Formula
Methane, the simplest of organic compounds, is the subject of this lesson. The basic structure, bonding, and two fundamental chemical reactions are presented in this lesson.
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Other chapters within the GED Science: Tutoring Solution course
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