Chemistry Test Nomenclature Name ____________________________ Test # ____ Date _______________ Block ______ Multiple Choice: Select the best answer for the following SOL questions and record its letter on your answer sheet. 1. How many atoms are represented in this formula: Ni(C2H3O2)4? a. 5 b. 8 c. 28 d. 29 2. The Lewis electron dot system represents electrons in the — a. outer energy level b. inner level c. middle level d. core level 3. Which compound contains both ionic and covalent bonds? a.NaNO3 b. MgBr2 c. CH4 d. NH3 4. The correct name for the compound CCl4 is — a. carbon tetrachloride b. carbon chloride c. monocarbon chloride d. tetracarbon monochloride 5. Which of the following is the name of the molecule PCl3? a. Phosphorus trichloride b. Phosphorus chloride c. Potassium trichloride d. Potassium chloride 6. The formula for dinitrogen tetroxide is — a. N2O4 b. N3O3 c. N2O2 d. NO 7. The correct name for P2O5 is — a. phosphorus (V) pentoxide b. phosphorus oxide c. phosphorus (II) oxide d. diphosphorus pentoxide 8. Binary molecular compounds consists of a. a metal and a nonmetal combined b. two metals combined c. two nonmetals combined d. two transitional metals combined 9. Binary molecular compounds form covalent bonds which involves the a. transfer of electrons b. sharing of electrons c. the loss of electrons d. the gain of electrons 10. Dinitrogen monoxide has the formula a. N2O1 b. N2O c. NO2 d. N(II)O 11. The formula SO3 is named a. sulfur oxide b. monosulfur trioxide c. sulfur trioxide d. sulfur(III) oxide 12. What is the name of the following compound OF2? a. oxygen difluoride b. monoxide difluoride c. oxide difluoride d. oxygen bifluoride 13. What is the prefix for 5? a. hexa b. tetra c. penta d. octa 14. N4O10 is named a. nitrogen oxide b. nitrogen(X) oxide c. tetranitrogen decoxide d. quatranitrogen dexoxide 15. The prefix for three is a. pre b. trey c. tri d. tetra 16. Which of the following compounds would be a binary molecular compound? a. NaCl b. FeSO4 c. CuNO3 d. SO3 17. The name of the compound with the formula AgCl is a. silver(I) chloride b. silver(II) chloride c. gold chloride d. silver chloride 18. What is the name of the following hydrate: CuSO4 5H2O? a. Copper sulfate pentahydrate b. Copper(I) sulfide pentahydrate c. copper(II) sulfate pentahydrate d. Copper sulfur oxide water 19. Which of the following rules should you apply when trying to draw Lewis structures? A. Hunds Rule B. Octet Rule C.Avogadro’s rule D. H. W. Lewis Rule. 20. Which of these best describes the difference between the formulas for nitrogen monoxide and nitrogen dioxide? A. nitrogen monoxide has one more atom of oxygen B. nitrogen dioxide has one fewer atom of oxygen C. Nitrogen monoxide has one fewer atom of oxygen D. Nitrogen dioxide has one more atom of nitrogen 21. What is the chemical name for the compound P3N5? A. triphosphorus nitride B. Phosphorus(III) nitride C. Triphosphorus pentanitride D. Pantaphosphorus trinitride 22. Which of these is the safest practice when heating the contents of a test tube over a flame? A. wearing long hair down B. Having safety goggles within reach C. Pointing the test tube away from people D. Keeping the test tube securely stoppered. 23. What are shared in covalent bonds? A. Cations B. Protons C. Electrons D. Anions 24. What is the correct name for P2O5? A. phosphorus (V) pentoxide B. phosphorus oxide C. phosphorus (II) oxide D. diphosphorus pentoxide. 25. The type of formula that shows the arrangements of atoms and bonds is called A. Empirical B. Chemical C. Molecular D. Structural 26. An arrow () in a structural formula represents a(n) a. Ionic Bond B. Nonpolar bond C. Polar Bond D. Corrdinate covalent bond 27. One pair of electrons shared between two atoms represents a(n) A. ionic bond B. single covalent bond C. a polar bond D. double bond 28. Which of the following molecules is not a polar molecule? A. H2O B. CH4 C. NH3 D. CH3Cl 29. Which of the following molecules would be an exception to the octet rule? A. O2 B. CCl4 C. CO2 D. HCN 30. When it is possible to write two or more valid electron dot structures for a molecule like SO3 and O3. It is known as a a. Exceptional Lewis dot structure B. An Octet rule structure C. A resonance structure D. A covalent structure 31. The fact that carbon forms 4 bonds is a result of A. its s and p orbital hybridization B. the fact that it has 4 electrons C. is 4 P orbital protons D. Its electron configuration of 1s2 1p4 32. How many valence electrons are in a molecule of water? A. 10 valence electrons B. 9 valence electrons C. 8 valence electrons D. 7 valence electrons 33. Given the diagram: C=C; the (=) represents a(n) a. ionic bond B. single covalent bond a double covalent bond D. a sigma bond. 34. How many Pi () are in a molecule of carbon dioxide? A. 1 B. 2 C. 3 D. 4 35. How many shared pairs of electrons are in an ethane molecule (C2H6)? A. 8 B. 7 C. 6 D. 5 36. You are taking test version A therefore mark A on your answer sheet. Determine the molecular shape of the following compounds. Use the key to record your answer on your answer sheet. The choices may be used more than once. Key: A. Linear Triatomic B. Bent Triatomic C. Pyramidal D. Tetrahedral E. Trigonal Planer 37. Water 38. Carbon Dioxide 39. Sulfur Trioxide 40. Ammonia 41. Methane 42. H2S 43. CCl4 44. PCl3 45. BF3