Atomic Structure

Atoms in Elements and Compounds

4 Topics | 3 Quizzes

1 | The Building Blocks of Matter

The Building Blocks of Matter – Topic Quiz

2 | Pure Substances

Pure Substances – Topic Quiz

3 | Chemical Subunits

Chemical Subunits – Topic Quiz

6 Topics | 5 Quizzes

Neutrons – Topic Quiz

4 | Electrons

Electrons – Topic Quiz

5 | Nuclei

Nuclei – Topic Quiz

6 | Summary

Electron Configuration (Elements 1-20)

4 Topics | 3 Quizzes

1 | Arrangement of Electrons in Atoms

Arrangement of Electrons in Atoms – Topic Quiz

2 | The Valence Shell and Valence Electrons

The Valence Shell and Valence Electrons – Topic Quiz

3 | Representing Electron Configuration

Representing Electron Configuration – Topic Quiz

4 | Summary

Isotopes and Radioactivity

Atomic Number, Mass Number and Isotopes

4 Topics | 3 Quizzes

1 | Atomic Number

Atomic Number – Topic Quiz

2 | Mass Number

Mass Number – Topic Quiz

3 | Isotopes

Isotopes – Topic Quiz

4 | Summary

Radioactivity

5 Topics | 4 Quizzes

1 | Radioisotopes and Nuclear Radiation

Radioisotopes and Nuclear Radiation – Topic Quiz

2 | Types of Nuclear Decay

Types of Nuclear Decay – Topic Quiz

3 | Half Life

Half Life – Topic Quiz

4 | Penetration and Absorption of Radiation

Penetration and Absorption of Radiation – Topic Quiz

5 | Summary

Ions and Ionic Compounds

Formation of Ions and Ionic Compounds

7 Topics | 6 Quizzes

1 | Electron Configuration and Chemical Stability

Electron Configuration and Chemical Stability – Topic Quiz

2 | Positive and Negative Ions

Positive and Negative Ions – Topic Quiz

3 | Ions and the Periodic Table

Ions and the Periodic Table – Topic Quiz

4 | Chemical Reactivity and the Periodic Table

Chemical Reactivity and the Periodic Table – Topic Quiz

5 | Monatomic and Polyatomic Ions

Monatomic and Polyatomic Ions – Topic Quiz

6 | Formation of Ionic Compounds

Formation of Ionic Compounds – Topic Quiz

7 | Summary

Naming Ions and Ionic Compounds

4 Topics | 3 Quizzes

1 | Names for Monatomic Ions

Names for Monatomic Ions – Topic Quiz

2 | Names for Polyatomic Ions

Names for Polyatomic Ions – Topic Quiz

3 | Names for Ionic Compounds

Names for Ionic Compounds – Topic Quiz

4 | Summary

Determining the Formula for Ionic Compounds

5 Topics | 4 Quizzes

1 | Formulas for Ionic Compounds

Formulas for Ionic Compounds – Topic Quiz

2 | Formulas for Compounds Containing Only Monatomic Ions

Formulas for Compounds Containing Only Monatomic Ions – Topic Quiz

3 | Formulas for Compounds Containing Polyatomic Ions

Formulas for Compounds Containing Polyatomic Ions – Topic Quiz

4 | Exceptions to the Drag-and-Drop Rule

Exceptions to the Drag-and-Drop Rule – Topic Quiz

5 | Summary

Acids, Bases and pH

Acids and Bases

8 Topics | 7 Quizzes

1 | Introduction to Acids and Bases

Introduction to Acids and Bases – Topic Quiz

5 | Acidic, Alkaline and Neutral Solutions

Acidic, Alkaline and Neutral Solutions – Topic Quiz

6 | Strong and Weak vs Concentrated and Dilute

Strong and Weak vs Concentrated and Dilute – Topic Quiz

7 | Corrosive Properties of Acids and Bases

Corrosive Properties of Acids and Bases – Topic Quiz

5 Topics | 4 Quizzes

2 | Concentration of Hydrogen Ions and Hydroxide Ions

Concentration of Hydrogen Ions and Hydroxide Ions – Topic Quiz

3 | pH Indicators

pH Indicators – Topic Quiz

4 | Adjusting pH

Adjusting pH – Topic Quiz

5 | Summary

Balanced Chemical Equations

Writing Balanced Chemical Equations

6 Topics | 5 Quizzes

1 | Describing Chemical Reactions With Equations

Describing Chemical Reactions With Equations – Topic Quiz

2 | Chemical Reactions and Conservation of Mass

Chemical Reactions and Conservation of Mass – Topic Quiz

3 | Balanced and Unbalanced Chemical Equations

Balanced and Unbalanced Chemical Equations – Topic Quiz

4 | Steps for Balancing a Chemical Equation

Steps for Balancing a Chemical Equation – Topic Quiz

5 | Tips for Balancing Chemical Equations

Tips for Balancing Chemical Equations – Topic Quiz

6 | Summary

Next Topic

Atoms in Elements and Compounds

Year 9 Chemistry Online Course 9.0 Atoms in Elements and Compounds

Learning Objective

In this lesson we will learn about the different ways atoms are arranged in pure substance – elements and compounds.

Learning Outcomes

By the end of this lesson you will be able to:

Describe elements and compounds.

Describe atoms, molecules and lattices.

Illustrate the different ways atoms can be arranged in elements, with examples.

Illustrate the different ways atoms can be arranged in compounds, with examples.

atoms in elements and compounds lesson contents

(Image: Anna, Adobe Stock)

(Header image: Anusorn, Adobe Stock)

Lesson Content

0% Complete 0/4 Steps

1 | The Building Blocks of Matter

The Building Blocks of Matter – Topic Quiz

2 | Pure Substances

Pure Substances – Topic Quiz

3 | Chemical Subunits

Chemical Subunits – Topic Quiz

4 | Summary

Back to Course

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