Chapter 2 Study Goals

Chapter 2 Study Goals - Know the organization of the...

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CHEMISTRY 231 STUDY GOALS AND HOMEWORK Chapter 2 - Atoms, Molecules and Ions (Chang 9th Ed) 1. Describe the Dalton Atomic theory and its significance. Law of Multiple Proportions and Law of Conservation of Mass. Section 2.1 2. Describe the contributions of the following scientists to our knowledge of the atomic structure: J. J. Thompson, R. A. Millikan, E. Rutherford and J. Chadwick. Explain the results of the alpha- scattering experiment in the terms of the current model for the atom. Know the relative charges ands masses for electron, protons, and neutrons.( READING ASSIGNMENT) Section 2.2, Problems : 2.1- 2.6, 2.7 3. Define atomic number, mass number and isotope and determine the number of protons, electrons and neutrons in isotopes. Section 2.3 Problems: 2.9- 2.12, 2.13, 2.16, 2.18 4. Locate groups (families), periods, metals, nonmetals, alkali metals, alkaline earth metals, transition metals, halogens, and noble gases, on the periodic table. Classify elements as metals, metalloids or nonmetals and correlate their properties.
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Unformatted text preview: Know the organization of the periodic table. Section 2.4 Problems 2.19-2.22, 5. Contrast molecules and ions. Be able to give specific examples. Predict the charges of monatomic ions. Write names and formulas for monatomic ions and polyatomic ions. Section: 2.5 Figure 2.11, Tables 2.2 and 2.3 Problems: 2.27, 2.28, 2.30, 2.31, 2.32 6. Define chemical formulas, molecular formulas and empirical formulas. . Write formulas for ionic compounds. Classify compounds as ionic or molecular. Section 2.6, Figure 2.14 p 64 Problems: 2.37, 2.40, 2.43, 2.44, 2.49, 2.50 7. Write names for inorganic compounds from formulas and formulas from names Binary ionic compounds and compounds with polyatomic ions Binary molecular compounds Simple Acid and oxoacids, bases and hydrates Section 2.7, MEMORIZE TABLES 2.2, 2.3, 2.4 2.6, and Figure 2.15 Problems: 2.57-2.60, 2.71, 2.86 2.90 8. Supplemental Problems: 2.62, 2.63, 2.65...
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