SCI 111 – Introduction to Physics and Chemistry
Chapter 9 FOCUS: Chemical Bonds
Key Concepts and Terms

Differentiate between an Atom and a Molecule

Know the aspects of Chemical Equations including difference between Reactant and Product

Define Chemical Reaction

Understand the importance of “Valence” Electrons and state the “Octet Rule”
SCI 111 Chapter 9 Focus: page 1 of 2
Key Concepts and Terms (Cont’d)

Define Chemical Bond and know the important aspects and difference between Ionic Bonds,
Covalent Bonds, and Metallic Bonds

Define Electronegativity and be able to apply it given Fig 9.10 or Table 9.5 on page 259

State what a Chemical Formula can tell you

Ionic versus Covalent Compounds and Formulas
 Know the basics about their naming
 Table 9.7 on page 263

Be able to apply electron dot notation to determine a chemical formula of a Covalent compound

Be able to use the “cross-over technique” to determine the formula of an Ionic Compound
SCI 111 Chapter 9 Focus: page 2 of 2