1. Chemistry Chapter 9 Reveiw

2. Vocab Review Structural Formula Molecule VSEPR Theory Coordinate covalent bonding Hybridization Oxyacids Electronegativity

3. Vocab Review Sigma Bond Pi Bond Covalent bonds Polar Covalent bonds Resonance Endothermic reaction Exothermic Reaction

4. Diatomic Molecules What are diatomic molecules? How many elements are found as diatomic molecules? What are the diatomic elements? Give examples of other diatomic molecules that are binary compounds. H 2, N 2, O 2, F 2, Cl 2, Br 2, I 2 CO, HCl, NO, HF

5. Diatomic Molecules Here are some examples of binary molecular compounds that are not diatomic molecules. NH 3, H 2 O, CO 2, SO 3, N 2 O 5.

6. Multiple bonding Single bond - What is it? Double bond – What is it? Triple bond - What is it? Which is the weakest? Which is the strongest? Shortest? Longest?

7. Sigma bond What is it? How many are normally found in a carbon atom? Hydrogen atom? In a single bond? Double bond? Triple bond?

8. Pi Bonds What are they? What is the maximum number of pi bonds found between two atoms of carbon? What type of bond (single, double, triple) would produce a maximum number of pi bonds?

9. Dissociation energy What is it? Which of the following molecules would have a higher dissociation energy? N 2 or S 8 ? Why? O 2 or Cl 2 ? Why?

10. Prefixes for molecules Name the first 10 prefixes for use in molecular naming. Mono Di Tri Tetra Penta Hexa Hepta Octa Nona Deca

11. Name the following molecules N 2 O NO 2 PCl 3

12. Naming Acids How do we name binary acids? –HF, HI, H 2 S How do we name oxyacids? –H 2 SO 3, H 2 SO 4, HIO 3, HNO 3, HNO 2

13. Naming Acids What is the difference in the usage of the -ous ending and the -ic ending?

14. Special Cases Give an example of an exception to the octet rule. Which atoms would you expect it to happen with as a central atom? Why?

15. VSEPR Theory What is the VSEPR theory? What is it used for?

16. Hybridization When do atoms hybridize? How could we predict the hybridization for a central atom? Do all orbitals hybridize in an atom? –if not, when would one not?

17. Shape of Molecules How do we predict a molecular shape? What are some of the common shapes? A molecule has two shared and two unshared pair of electrons. What is its shape? Double bond and two other shared pair?

18. Lewis Structures Do a Lewis structure for a molecule of sulfur dioxide, SO 2. What is the hybridization of the sulfur? What is the bond angle? Do a structural formula for it.

19. Lewis Structures Do a Dot diagram for C 2 H 2 Shape? Hybridization?