Final Exam Study Guide 2015

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Chemistry A Final Exam Review Sheet
Name: __________________________
This is a comprehensive final exam that covers everything we studied this semester. It contains
approximately 120 questions.
1. Define chemistry and list the branches.
2. List the steps of the scientific method.
3. What is a control?
4. Distinguish between theory and law.
5. Distinguish between science and technology and give examples of each.
6. Distinguish between mass and weight.(include units)
7. Review the metric system.
a. SI unit of length, mass, volume and temp
8. Define volume.
9. What is a meniscus?
10. How many cm in 321 km? How many m/s is 80.0km/hr?
11. Convert 25oC to Kelvins.
12. Write numbers in scientific notation. 1,540,000,000 and .00000539
13. Calculate density if the mass is 55g and the volume is 4.2 cm3.
14. Distinguish between accuracy and precision.
15. List the rules for significant digits.
16. Distinguish between qualitative and quantitative observations.
17. Define matter.
18. Differentiate between homo- and hetero- geneous mixtures.
19. What is an element? What is a compound? What is a solution? What is an alloy?
20. What is the difference between an atom and a molecule?
21. List physical and chemical properties of matter.
22. Give examples of intensive and extensive properties.
23. Describe solids, liquids and gases in terms of volume, shape and arrangement of particles.
24. Describe phase changes(freezing, boiling, melting, condensation, sublimation, deposition)
25. List physical and chemical changes.
26. Review history of atomic theory.
a. John Dalton
b. Ernest Rutherford
c. Law of Conservation of Matter
d. Law of Definite Proportions
e. Law of Multiple Proportions
27. What is an isotope?
28. What does the atomic number indicate? What does the mass number indicate?
29. Use the periodic table to determine the number of protons, neutrons, and electrons in an atom.
30. Indicate the charge, mass and location of each subatomic particle.
31. List the forces within the atom.
32. What is an atomic emission spectrum?
33. What is a photon?
34. What is the ground state of an atom? What is the excited state?
35. What happens when an electron moves from an excited state to the ground state?
36. What shape is an s orbital? the p orbital?
37. Give the # of orbitals and the # of electrons in each orbital—s, p, d, f
38. State the Heisenberg Uncertainty principle
39. What is Hund’s Rule?
40. What is the Pauli Exclusion Principle?
41. Write the electron configuration for elements number 6, 18, 26, 82. Show the noble gas notation,
orbital notation and the electron dot structure for each.
42. Give quantum numbers for Ga(31). What does each digit indicate?
43. What was Dimitri Mendeleev’s contribution?
44. How is the modern periodic table arranged?
45. What is the periodic law?
46. Describe the organization of the periodic table in terms of periods and groups.
47. Identify families 1, 2, 3-12, 17 and 18 on the periodic table.
48. List 3 properties of metals and nonmetals. Where are they located on the periodic table? What are
metalloids? Where are they located?
49. Locate the s, p, d, f regions on the periodic table.
50. Identify the number of valence electrons and oxidation numbers on the periodic table.(main block)
51. What is the most reactive metal? Most reactive nonmetal?
52. Which elements are virtually nonreactive?
53. Describe the general trends in electronegativity and atomic radius.
54. What is an ionic bond? List properties of an ionic bond.
55. Describe a crystal lattice.
56. How do atoms form covalent bonds?
57. What is a molecule?
58. Distinguish between polar and nonpolar molecules.
59. Explain the octet rule.
60. Draw Lewis dot structures for NH3, Cl2, CCl4, and BF3.
61. What is VESPR? How does it explain the shapes of molecules?
62. Name and write the chemical formulas for 2 ionic compounds and 2 covalent compounds.
63. What is the stock system? Write the formula for copper (II) oxide.
64. What is a mole? What is Avogadro’s number?
65. Convert 35g Fe to moles and atoms.
66. Calculate the molar mass of magnesium phosphate. Calculate the percent composition.
67. Calculate empirical and molecular formula- #62, 63 p. 350.
68. List 4 indications that a chemical rxn has occurred.
69. Define precipitate.
70. Identify the 5 types of chemical reactions. Find one equation of each type and balance it.
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