Chapter 3: Atomic Structure and the Periodic Table
All matter is made of basic building blocks called atoms. As you study the structure of atoms, you can begin to develop an understanding of how atoms bond together to form the many substances that make up our world. By studying the periodic law, you will begin to predict the properties of elements according to their positions in the periodic table.
By the end of this chapter you should be able to describe the three basic particles that make up atoms in terms of mass, charge ,and location and to calculate the number of each of the three types of particles in an atom using the atomic number and the mass number of that atom. You will learn to describe an isotope from its symbol, and you will calculate the average atomic mass of an element. Using the electron configuration of an element and the principle of the distinguishing electron, you will be able to classify the elements into groups with similar properties.