The Nature of Molecules Chapter 2 * Atomic Structure All matter is ____________ atoms. Understanding the structure of atoms is critical to understanding the nature of biological…

The Nature of Molecules Chapter 2 * Why should we study atoms? Substances with mass and space – Matter All matter is composed of atoms. Understanding the structure of atoms…

Periodic Characteristics Valence electrons determine chemical & physical properties of the elements Valence electrons â the electrons in the outermost energy level Elements…

Earth Chemistry Objectives Compare chemical properties and physical properties of matter Describe the basic structure of an atom Compare atomic number, mass number, and atomic…

Chapter 6: The Periodic Table and Periodic Law Development of the Periodic Table 1790s Antoine Lavoisier composed a list of the 23 known elements Included gold, silver, carbon,…