Chemistry Honors s1

Chemistry Honors Quarter 2 MCA Review Performance Based Section 1. Given a pair of elements, predict the type of bond that will form. (Ionic or Covalent) Justify your answer. a. Sodium and Oxygen b. Chlorine and Bromine c. Hydrogen and Oxygen d. Lithium and Chlorine

2. Given the electron configuration of several atoms, predict the element. a. 1s2 2s2 2p4 b. 1s2 2s2 2p6 3s2 3p6 4s2 3d7 c. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1

3. Formulate electron dot structures for several atoms. a. Nickel b. Oxygen c. Magnesium d. Chlorine e. Krypton

4. Predict the number of electrons lost or gained from several atoms so that they attain noble gas configuration. Give the charge of each of the following atoms when they become ions. a. B e. Br b. Ca f. Se c. Rb g. C d. P h. N

5. Given a set of molecules, predict the shape, bond angle, and the dot structure according to the VSEPR theory. a. H2O f. SO3 b. CH4 g. PF3 c. NH3 h. SnCl2 d. BeF2 e. PCl5 6. Given an empty chart of the periodic table fill in information that can be found on the chart. a. halogens b. noble gases c. transition d. inner transition e. alkali metals f. f sublevel g. s sublevel h. p sublevel i. metals j. nonmetals k. metalloids

7. Name or write the following chemical formulas a. HCN k. Cobalt III oxide b. HNO3 l. Sulfuric Acid c. HCl m. Methane d. HF n. Sodium Oxalate e. H2SO4 o. Lithium Sulfite f. Calcium Hydroxide p. Diphosphorus tetraoxide g. Ammonium Nitrate q. S5O6 h. Cuppric Sulfate r. CuSO3 i. CS2 s. Stannic Flouride j. CrF2 t. hydrofluoric acid

8. Convert 35 cm to meters 9. Convert 5.2 meters to cm 10. Boiling point _____C, ______K 11. Melting point _____C, ______K 12. Charge of a Proton _____ Neutron_____ Electron_____ 13. Electron configuration of Ne, B, K, Br 14. Shape of an s orbital______p orbital______15. How are polar molecules determined? 16. How do you name molecular compounds, binary compounds? 17. What are the charges on all representative atoms? 18. How many electrons are lost or gained by each A group element? 19. What two elements make a covalent bond? 20. How are Ionic bonds formed? 21. List characteristics of metals and nonmetals. 22. Complete the following Essay Questions Using the Science Writing Rubric. Scientific Explanation Rubric/Constructed Response 1 point basic definition 2 points basic definition, some science vocabulary, connected to content 3 points basic definition, additional science vocabulary defined, examples that show relationships and are connected to the content 4 points basic definition, additional science vocabulary defined, examples that show relationships which are connected to the content and demonstrate how content is applied.

a. How does the VSEPR Theory relate geometric shape to electron interaction in the overall molecular shape of a molecule? b. How must the electronegativies of two atoms compare if a covalent bond between them is to be polar?