Login
Copyright

Ch 2: The Periodic Table, Atoms and Elements: Help and Review

About This Chapter

The Atoms, Elements and the Periodic Table chapter of this GED Science Help and Review course is the simplest way to learn about atoms, elements and the periodic table. This chapter uses simple and fun videos that are about five minutes long, plus lesson quizzes and a chapter exam to ensure students learn the essentials of atoms, elements and the periodic table.

Who's it for?

Anyone who needs help learning or mastering GED science material will benefit from taking this course. There is no faster or easier way to learn GED science. Among those who would benefit are:

  • Students who have fallen behind in understanding states of matter or atoms, elements and the periodic table
  • Students who struggle with learning disabilities or learning differences, including autism and ADHD
  • Students who prefer multiple ways of learning science (visual or auditory)
  • Students who have missed class time and need to catch up
  • Students who need an efficient way to learn about atoms, elements and the periodic table
  • Students who struggle to understand their teachers
  • Students who attend schools without extra science learning resources

How it works:

  • Find videos in our course that cover what you need to learn or review.
  • Press play and watch the video lesson.
  • Refer to the video transcripts to reinforce your learning.
  • Test your understanding of each lesson with short quizzes.
  • Verify you're ready by completing the atoms, elements and the periodic table chapter exam.

Why it works:

  • Study Efficiently: Skip what you know, review what you don't.
  • Retain What You Learn: Engaging animations and real-life examples make topics easy to grasp.
  • Be Ready on Test Day: Use the atoms, elements and the periodic table chapter exam to be prepared.
  • Get Extra Support: Ask our subject-matter experts any atoms, elements or periodic table question. They're here to help!
  • Study With Flexibility: Watch videos on any web-ready device.

Students will review:

This chapter helps students review the concepts in an atoms, elements and the periodic table unit of a standard GED science course. Topics covered include:

  • Physical and chemical properties of matter
  • States of matter
  • Atomic number and mass number
  • Atomic theories
  • Elements
  • Isotopes and average atomic mass
  • Group properties in the periodic table

27 Lessons in Chapter 2: The Periodic Table, Atoms and Elements: Help and Review
What is Chemistry? - Definition, History & Branches

1. What is Chemistry? - Definition, History & Branches

Known as the central science, chemistry is integral to our understanding of the natural world around us. In this lesson, you'll be introduced to the field of chemistry, learning about its history and its modern applications.

Matter: Physical and Chemical Properties

2. Matter: Physical and Chemical Properties

How are substances identified? There are two major ways we can describe a substance: physical properties and chemical properties. Learn about how chemists use properties to classify matter as either a mixture or a pure substance.

States of Matter: Solids, Liquids, Gases, & Plasma

3. States of Matter: Solids, Liquids, Gases, & Plasma

Learn the four states of matter in the universe: solid, liquid, gas and plasma. Learn about the differences in shape and volume among the four states, which of the states is the most common and why plasma conducts electricity.

Atomic Number and Mass Number

4. 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.

Early Atomic Theory: Dalton, Thomson, Rutherford and Millikan

5. 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.

What Are Elements?

6. 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.

Isotopes and Average Atomic Mass

7. 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.

The Periodic Table: Properties of Groups and Periods

8. The Periodic Table: Properties of Groups and Periods

How is the periodic table like the map you used on your last road trip? In this lesson, you will be introduced to the periodic table, the road map of chemists. We will discuss how the elements are organized and how you can use this organization to identify some of their major physical properties.

P-Block Elements on the Periodic Table: Properties & Overview

9. P-Block Elements on the Periodic Table: Properties & Overview

Come on a tour of the p-block, an area on the periodic table filled with an incredibly diverse group of elements. Learn what the p-block elements are, discover some of their properties, and then assess your new knowledge with a quiz.

Alkali Metal Elements: Properties, Characteristics & Reactions

10. Alkali Metal Elements: Properties, Characteristics & Reactions

What happens when you put a chunk of an alkali metal in water? Fire, of course! Learn the characteristics of this interesting chemical family, examine some typical alkali metal reactions, and then quiz yourself on your new knowledge.

Alkaline Earth Metals: Definition, Properties & Characteristics

11. Alkaline Earth Metals: Definition, Properties & Characteristics

Column 2A of the periodic table is home to the reactive alkaline earth metals. We find these elements in fireworks, vitamins, and even running through our own veins. Learn some properties and characteristics of this group of elements, and then take a quiz.

Anion: Definition & Examples

12. Anion: Definition & Examples

Ions are charged particles that are important for biological and chemical systems. Anions are ions that have a negative charge. This article discusses anions, their properties, and examples of anions in chemistry and nature.

Atomic Number: Definition & Symbol

13. Atomic Number: Definition & Symbol

This lesson focuses on an important concept in chemistry and physics known as the atomic number. Atomic umber is defined, and examples from the periodic table of the elements are provided to help students apply the concept.

Average Atomic Mass: Definition & Formula

14. Average Atomic Mass: Definition & Formula

Did you know there are three types of oxygen? Atoms of elements have different versions of each other called isotopes. In this lesson, we will learn how to find the average atomic mass of the elements from its isotopes.

Cation: Definition & Examples

15. Cation: Definition & Examples

Cations are positively the most positive type of particle. Discover what a cation is, where you can find them, and learn some examples of cations. Then, assess your new knowledge with a quiz!

Dmitri Mendeleev & the Periodic Table: Biography, Contribution & Facts

16. Dmitri Mendeleev & the Periodic Table: Biography, Contribution & Facts

A man of many eccentricities, Dmitri Mendeleev and his contributions to the periodic table are so significant that they have been compared to Darwin and the development of the theory of evolution. Read about this legendary chemist and his role in developing one of the most important tools used in science. Then quiz yourself on your new knowledge.

Electronegativity: Definition & Trends

17. Electronegativity: Definition & Trends

The attraction of electrons is different depending on the element. This degree of attraction is measured by the element's electronegativity. In this lesson, we will discuss electronegativity, its trends in the periodic table, and bonding.

Formula for Mass: Definition & Examples

18. Formula for Mass: Definition & Examples

In this lesson you will learn about mass and how it is tied to Newton's Second Law of Motion. You will learn how to calculate mass and how to measure mass through a few examples.

Halogens on the Periodic Table: Properties, Reactivity & Uses

19. Halogens on the Periodic Table: Properties, Reactivity & Uses

Elements are grouped into families on the periodic table based on their chemical and physical properties. In this lesson, you will learn about a unique group known as the halogen family.

Hydroxide Ion: Definition & Formula

20. Hydroxide Ion: Definition & Formula

If the name 'hydroxide' sounds toxic to you, that's good. Hydroxide is a powerful chemical with potentially dangerous properties. Learn the definition and formula of hydroxide, as well as some interesting facts about it, in this lesson.

Metals on the Periodic Table: Definition & Reactivity

21. Metals on the Periodic Table: Definition & Reactivity

Look around for a second...how many metallic things can you see? Generally when we think of metals, we think of substances that are shiny and durable; however, they're also in our food and in our bodies. Learn what makes a metal a metal and why metals are special.

Negative Charge: Definition & Overview

22. Negative Charge: Definition & Overview

There are two types of charge, positive and negative. In this lesson, you will learn about how negative charges were assigned to electrons. You will also learn about the properties of negative charges and how they affect other objects near them.

Neutrons: Definition & Concept

23. Neutrons: Definition & Concept

Neutrons are the big guys of the atom. This lesson explains the structure of the neutron, its properties, and some of its influences on the function of the atom.

Noble Gases: Definition, List & Properties

24. Noble Gases: Definition, List & Properties

Elements are grouped on the periodic table based on their chemical properties. In this lesson, you will learn about a group of elements known as the noble gases and their unique properties.

Nonmetal Elements on the Periodic Table: Definition, Properties, & Reactions

25. Nonmetal Elements on the Periodic Table: Definition, Properties, & Reactions

Nonmetal elements are omnipresent and essential for life. Learn about the properties and typical reactions of these important elements, and then assess your new knowledge with a quiz.

Oxidation Number: Definition, Rules & Examples

26. Oxidation Number: Definition, Rules & Examples

Knowing the ion form of an atom is important when putting together atoms to form a compound. An oxidation number is assigned to an atom to know its ion form. In this lesson, we will go over the rules to assign oxidation numbers to atoms.

What is Xenon? - Definition, Uses & Facts

27. What is Xenon? - Definition, Uses & Facts

Xenon is an element that exists as a gas at most temperatures and is not very reactive. This lesson looks at some general information about xenon, as well as some of its useful applications.

Earning College Credit

Did you know… We have over 95 college courses that prepare you to earn credit by exam that is accepted by over 2,000 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Other Chapters

Other chapters within the GED Science: Help and Review course

Support