Chemistry Textbook
Chapter 2: Atoms, Molecules and Ions
By the end of this chapter, you will be able to:
- describe Dalton’s postulates of atomic theory
- summarize and interpret the results of the experiments of Thomson, Milliken, and Rutherford
- write and interpret symbols that depict the atomic number, mass number, and charge of an atom or ion
- define isotopes, the atomic mass unit and average atomic mass and calculate average atomic mass
- identify metals, nonmetals, and metalloids on the periodic table
- recognize chemical formula and define ionic and molecular (covalent) compounds
- derive names for ionic compounds including acids and binary molecular compounds
Figure 2.1 Graphene (allotrope of C) molecule in space