BIO 311C Chem Overview

BIO 311C Chem Overview - 1. Understand the basic...

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Chemistry Background: terms and skills (Reference: Biology , chapter 2: pages 30-43 (7 th edition: pages 32-45), chapter 3: pages 46-54 (7 th edition: pages 47-55)) Matter Elements Atoms Atomic structure Protons Neutrons Electrons Electron shells and electron configurations Valence shell Valence electrons Atomic number Mass number (atomic mass) Isotopes Chemical bonds Covalent bonds Polar v. nonpolar Single bonds, double bonds Molecules Valence Electronegativity (relative): C, H, N, O Ionic bonds Ions (cations and anions) Ionic compounds Hydrogen bonds Van der Waals interactions Bond strength (relative): covalent vs. ionic (aqueous) vs. hydrogen vs. Van der Waals Chemical reactions Reactants and products Reversible reactions Chemical equilibrium Molecular formula Structural formula Exam skills (please note this list is not exhaustive)
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Unformatted text preview: 1. Understand the basic organization of the periodic table. 2. Use the table to determine atomic mass (mass number) and atomic number. 3. Use the table to determine the number of valence electrons in biologically important atoms (C, H, O, N) 4. Find elements with similar properties based on locations within the table. 5. Identify the parts of an atom and the number of protons and electrons in atoms and ions. 6. Predict polarity of covalent bonds within molecules on the basis of relative electronegativities of elements. 7. Compare/contrast: nonpolar and polar covalent bonds (be sure to use electronegativity in your answer). 8. Compare/contrast: covalent bonds, ionic bonds, hydrogen bonds and Van der Waals interactions...
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This note was uploaded on 04/02/2012 for the course BIO 311C taught by Professor Satasivian during the Spring '08 term at University of Texas.

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