This document provides an overview of chemical interactions and the periodic table. It discusses the basic structure of atoms including protons, neutrons and electrons. It then describes how elements are organized on the periodic table based on atomic number and properties. Various regions of the table are examined including metals, nonmetals and noble gases. Radioactivity and radioactive decay are also summarized.

2. Section 1.1 All Atoms are the Smallest Form of Elements.

7. Continued – See page 11

12. Section 1.2 Elements Make up the Periodic Table

18. Section 1.3 The Periodic Table is a Map of the Elements

19. The periodic table has distinct regions.

23. Continued – pg. 27