Introduction

Did you know that chemistry is the study of matter?



B2.1 Chemistry classroom
It is easier to study matter if we categorize it and look at the properties and characteristics of each of those categories. Once we have learned how to categorize matter, we will spend the majority of this lesson focused on atomic theory.

  Target

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

  • identify the laboratory evidence that scientists such as Dalton, Thomson, Rutherford, and Bohr collected during the development of the atomic model, which consists of protons, neutrons (nucleons), and electrons.

  Watch This

The 2,400-year search for the atom – Theresa Doud @ youtube TED-Ed 


This video will give you a quick summary of the historical milestones in the development of atomic theory. This will help get you in the right mindset for this lesson.