Content Outline

Massachusetts Science Framework Standard/s

Concepts Objective

Associated Mathematics Skills

Prerequisite skills

IX. Chemical Bonding

   A. Types of Bonds

       1. Ionic bonds

          a. Ion formation

          b. Polyatomic ions

          c. Formation of ionic bonds

          d. Properties

       2. Covalent Bonds

          a. Formation

          b. Properties

          c. Polar/non-polar

       3. Metallic bonds

          a. Formation

          b. Properties

   B. Writing Formulas

       1. Oxidation numbers

         a. cations

         b. anions

         c. Polyatomic ions

       2. Criss-cross method

   C. Naming Compounds

       1. Ionic

       2. Covalent

C4.1 Explain how atoms combine to form compounds through both ionic and covalent bonding

C4.6 Predict chemical formulas based on the number of valence electrons

C4.7 Name and write the chemical formulas for simple ionic and molecular compounds, including those that contain polyatomic ions

· Explain why some atoms gain or lose electrons to form ions

· Explain why some atoms transfer electrons to form ionic bonds while others share electrons to form covalent bonds

· Differentiate between ionic, covalent and metallic bonds

· Write chemical formulas for simple ionic compounds

· Name ionic and covalent compounds