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Ch 3: Inorganic Chemistry Review for High School Biology

About This Chapter

Watch video lessons to get a refresher on inorganic chemistry concepts, like the atom, elements, chemical bonds and thermodynamics. Each lesson is accompanied by a short multiple-choice quiz to help check your understanding of these inorganic chemistry topics.

Inorganic Chemistry Review for High School Biology - Chapter Summary and Learning Objectives

In this chapter, you'll take a look at the critical elements required for life. You'll get a review of chemical bonds and study water properties. Professional instructors will guide you through the laws of thermodynamics and teach you how to write chemical reactions. At the end of this chapter, you'll be familiar with:

  • The atom and the electron shell
  • Different types of chemical bonds
  • Solutions and solvents
  • Osmosis
  • Acids and bases
  • Types of chemical reactions
  • Weak acids and bases

Video Objective
What Are Elements? Find out why elements are considered the building blocks of all matter. Learn how they're expressed as symbols and find out how many elements exist on Earth.
The Foundational Elements of Life Take a look at oxygen, carbon, hydrogen and nitrogen. Get details on elements like phosphorus, potassium and magnesium. Learn about trace elements.
The Atom Get definitions for atom and mass. Learn about protons, neutrons and electrons, which are the three subunits of atoms. Review the periodic table and atomic numbers.
The Electron Shell Learn why electron shells are also known as energy levels. Examine valence electrons and the most stable atoms known as noble gases.
Chemical Bonds I: Covalent Get the definition for chemical bonds and find out how molecules are formed. Learn about a covalent bond's strength.
Chemical Bonds II: Ionic Study electronegativity, anion and ion. Learn about ionic bonds and see examples of ionic compounds.
Chemical Bonds III: Polar Covalent Discover polar and nonpolar covalent bonds. See diagrams of partial charges and discuss partial positive and partial negative charges.
Chemical Bonds IV: Hydrogen Find out why hydrogen bonds are important and get a definition for this type of bond. Learn about the two ways hydrogen bonds can form. Get details on the strength of a hydrogen bond.
Properties of Water See the formula for density and examine the properties of ice and liquid water. Discuss specific heat, cohesion, adhesion and capillary action.
Solutions, Solutes, and Solvents Find out what a solution is composed of and how molecules interact in water. Review hydrophilic and hydrophobic molecules.
Osmosis, Diffusion and Saturation Learn about saturated, unsaturated and supersaturated solutions. Get practical examples of how diffusion works and find out what happens during osmosis. Get definitions for semipermeable membranes, osmotic pressure, isotonic, hypotonic and hypertonic.
Acids and Bases Study the pH scale and see an example of a logarithmic equation. Learn how to define acids and bases.
The Laws of Thermodynamics Learn practical applications for the first and second laws of thermodynamics. Review the formula for total energy and see how these two laws work together.
How to Write and Balance Chemical Reactions Find out the equation for a chemical reaction and see how to use the equation for neutralizing acids and bases. Discover what happens during endergonic and exergonic reactions. Examine the state of chemical equilibrium.
Redox (Oxidation-Reduction) Reactions: Definitions and Examples See examples of redox reactions and understand the process. Define reducing agents, oxidizing agents and electronegativity.
Hydrolysis, Dehydration, and Ionic Reactions: Definitions and Examples Find out what causes dehydration and what happens during hydrolysis. See examples of ionic reactions.
Anabolism and Catabolism Reactions: Definitions and Examples Study the differences between anabolism and catabolism. Find out what happens during these reactions and get examples of each type of reaction.
Weak Acids, Weak Bases, and Buffers Learn more about how weak acids and weak bases work using human blood as an example. Study buffer systems, conjugate bases and acids and the acidity constant.

20 Lessons in Chapter 3: Inorganic Chemistry Review for High School Biology
Test your knowledge with a 30-question chapter practice test
What Are Elements?

1. What Are Elements?

Look around you. What do you see? Elements are everywhere. They are the building blocks of all matter on Earth. In this lesson, we will discuss what an element is, how elements are written as symbols, and how elements are the building blocks of all matter.

The Foundational Elements of Life

2. The Foundational Elements of Life

Living things are complex products of their environments. They are made of a number of different natural elements, many of which are essential to survival. Because of this, they are considered foundational elements and they support life on Earth as we know it.

The Atom

3. 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?

The Electron Shell

4. 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?

Chemical Bonds I: Covalent

5. 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.

Chemical Bonds II: Ionic

6. 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.

Chemical Bonds III: Polar Covalent

7. 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.

Chemical Bonds IV: Hydrogen

8. Chemical Bonds IV: Hydrogen

This lesson defines and discusses important concepts behind hydrogen bonding. You'll learn when and why these bonds occur and which atoms are often involved.

Properties of Water

9. Properties of Water

Why does ice float? Why can water rise on its own against gravity in a small tube? Find out how these mysterious properties of water can be explained by hydrogen bonds.

Solutions, Solutes, and Solvents

10. Solutions, Solutes, and Solvents

Oh no! Your friend Ben just drank chili oil on a dare, and now his mouth is burning. Should he drink the ice water or vegetable oil to cool his mouth? Quick. Watch this lesson if you aren't sure.

Osmosis, Diffusion and Saturation

11. Osmosis, Diffusion and Saturation

The cells in our bodies are in constant flux through the processes of osmosis and diffusion. Learn about how saturation levels force change, and why we're lucky they do.

Acids and Bases

12. Acids and Bases

Have you ever wondered how we measure the acidity of liquids? Check out this lesson to see how acids and bases are measured on a pH scale and how they relate to neutral solutions, such as water.

The Laws of Thermodynamics

13. The Laws of Thermodynamics

Learn about the first and second laws of thermodynamics. Find out how energy is generated, how it converts from one form to another, and what happens to energy in a closed system.

Basic Properties of Chemical Reactions

14. Basic Properties of Chemical Reactions

Learn how about the various components of a chemical reaction, and how those components function. Use this lesson to understand the basic properties of different kinds of chemical reactions.

Chemical Reactions and Balancing Chemical Equations

15. Chemical Reactions and Balancing Chemical Equations

In this lesson, you'll learn how to balance a chemical reaction equation using the conservation of matter law. You'll also learn how to write both word and formula equations, what the subscripts after a letter mean and what the numbers in front of compounds mean.

Redox (Oxidation-Reduction) Reactions: Definitions and Examples

16. Redox (Oxidation-Reduction) Reactions: Definitions and Examples

This short video will explain oxidation-reduction reactions, or redox reactions for short. The focus is on how electrons are transferred during redox reactions. Learn some neat mnemonic devices to help you remember when an atom is oxidizing or reducing.

Hydrolysis and Dehydration: Definitions & Examples

17. Hydrolysis and Dehydration: Definitions & Examples

Water is an important component of cellular processes. Two of these processes, dehydration and hydrolysis, help your body build large molecules from small ones and break down large ones into usable components.

What Are Ionic Compounds? - Definition, Examples & Reactions

18. What Are Ionic Compounds? - Definition, Examples & Reactions

Ionic compounds are a common, yet special type of chemical compound. In this video lesson, you will learn about their formation and structure and see examples of compounds formed by ions.

Anabolism and Catabolism: Definitions & Examples

19. Anabolism and Catabolism: Definitions & Examples

Metabolism breaks down large molecules like food into usable energy. This energy drives bodily processes critical to survival. In this video lesson, you will learn about the two forms of metabolism that break down and build up molecules and see examples of each.

Weak Acids, Weak Bases, and Buffers

20. Weak Acids, Weak Bases, and Buffers

This lesson covers both strong and weak acids and bases, using human blood as an example for the discussion. Other concepts discussed included conjugate acids and bases, the acidity constant, and buffer systems within the blood.

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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