Archives: Lessons

Writing Balanced Chemical Equations Learning Objective In this lesson we will learn how to write chemical equations in a way that reflects the Law of Conservation of Mass. Learning Outcomes By the end of this lesson you will be able to: Define the Law of Conservation of Mass. Explain how the Law of Conservation of … Read more

Determining the Formula for Ionic Compounds Learning Objective In this lesson we will learn how ionic formulas reflect the ratio of positive and negative ions in ionic compounds. Learning Outcomes By the end of this lesson you will be able to: Write the formula for ionic compounds containing only monatomic ions. Write the formula for … Read more

Naming Ions and Ionic Compounds Learning Objective In this lesson we will learn how ions and ionic compounds are named. Learning Outcomes By the end of this lesson you will be able to: Name positive and negative monatomic ions. Give examples of metals that form more than one type of ion, and show how these … Read more

Formation of Ions and Ionic Compounds Learning Objective In this lesson we will learn how atoms can gain or lose electrons to form ions, and subsequently, ionic compounds. Learning Outcomes By the end of this lesson you will be able to: Describe the most stable type of electron configuration. Describe how metals lose electrons to … Read more

Radioactivity Learning Objective In this lesson we will learn how unstable isotopes can undergo different types of nuclear decay. Learning Outcomes By the end of this lesson you will be able to: Describe alpha, beta and gamma decay. Predict the products of different types of nuclear decay. Define half life and calculate how much of … Read more

Electron Configuration (Elements 1-20) Learning Objective In this lesson we will learn how electrons are arranged around the nuclei of atoms. Learning Outcomes By the end of this lesson you will be able to: Describe how electrons are arranged into electron shells, and explain how these shells are filled. Describe how electron shells are labelled, … Read more

Atomic Number, Mass Number and Isotopes Learning Objective In this lesson we will learn how atoms are defined by the number of protons they contain, as well as the number of neutrons. Learning Outcomes By the end of this lesson you will be able to: Define atomic number. Define mass number. Compare isotopes of an … Read more

Structure of Atoms Learning Objective In this lesson we will learn about the main subatomic particles which make up atoms. Learning Outcomes By the end of this lesson you will be able to: Describe the properties of protons, neutrons and electrons. Describe the arrangement of protons, neutrons and electrons in an atom. Describe the distribution … Read more

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 … Read more