Archives: Lessons

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