Chapter 1 and 2 test practice Multiple Choice Identify the choice that best completes the statement or answers the question. ____ ____ ____ 1. 2. 3. Which of the following is a chemical property of gold? a. its characteristic color b. its electrical conductivity c. d. its lack of reactivity none, they are all physical properties Which of the following is not a physical property of gold? a. its characteristic color c. b. its density d. its electrical conductivity none, they are all physical properties Which of the following describe a physical change? a. boiling water b. decomposition of a dead organism both a and b neither a nor b c. d. ____ 4. Given the calculation: 4.238 + 12.72 + 9.1 = ? What is the answer reported to the correct number of significant figures? a. 26.058 c. 26.0 b. 26.06 d. 26.1 ____ 5. Given the calculation: (7.22 x 10 -3) x (6.4 x 10 7) = ? What is the answer reported to the correct number of significant figures? a. 4.6 x 105 c. 4.620 x 105 5 b. 4.62 x 10 d. 4.6208 x 105 ____ 6. How many kilograms (kg) are there in 1 milligram (mg)? a. 1 x 10 -12 c. b. 1 x 10 -6 d. 1 x 10 6 1 x 10 12 ____ 7. One long distance Olympic race is the 10,000 meter run. Which of the following is most nearly the length of this run in feet? [1 meter is slightly longer than 39 inches] a. 6.09 x 103 feet c. 1.00 x 104 feet b. 6.22 x 103 feet d. 3.28 x 104 feet ____ 8. A certain automobile has an 18 gallon gas tank. What is the volume of this tank in liters? [1 gallon = 4 quarts, 1 quart = 0.946 liter] a. 4.3 liters c. 68 liters b. 4.8 liters d. 76 liters ____ 9. A particular model of hybrid car can travel 53.0 miles/gallon of gas. What is this fuel efficiency expressed in the metric system? [1 quart = 0.946 liter; 1 mile = 1.609 km] a. 8.71 km/liter c. 22.5 km/liter b. 20.2 km/liter d. 90 km/liter ____ 10. An unknown substance has a mass of 56.8 g and a volume of 23.4 mL. What is the density of this unknown substance? a. 0.411 g/mL c. 2.43 g/mL b. 2.34 g/mL d. 2.50 g/mL ____ 11. Aluminum has a density of 2.70 g/ cm3. What volume is occupied by a block of aluminum which weighs 4.32 kg? a. 0.000625 cm3 c. 1.60 cm3 b. 0.625 cm3 d. 1.60 L ____ 12. Which of the following statements is true? a. Both heat and temperature are forms of energy. b. Neither heat nor temperature is a form of energy. c. Heat is a form of energy, but temperature is not. d. Temperature is a form of energy, but heat is not. ____ 13. How many calories of are required to heat 731 grams of water from 35 a. 15 cal c. 2.6 x 10 4 cal b. 731 cal d. 3.5 x 10 4 cal ____ 14. a. b. 348 cal 696 cal c. d. 870 cal 1566 cal ____ 15. Which of the following is not a proper symbol for an element? a. C c. CO b. Ca d. Co ____ 16. When a particular solid sample is examined under a microscope it is observed that there are regions which are black and regions which are yellow. What type of material is this sample? a. a compound c. a homogeneous mixture b. an element d. a heterogeneous mixture ____ 17. Which subatomic particles are found in the nucleus? a. electrons b. neutrons c. d. protons protons and neutrons ____ 18. Which of the following correctly describes a proton? a. on the scale of subatomic particles it is massive and has a +1 charge b. on the scale of subatomic particles it is massive and has a -1 charge c. on the scale of subatomic particles it is light and has a +1 charge d. on the scale of subatomic particles it is light and has a -1 charge ____ 19. Which of the following correctly describes an electron? a. on the scale of subatomic particles it is massive and has a +1 charge b. on the scale of subatomic particles it is massive and has a -1 charge c. on the scale of subatomic particles it is light and has a +1 charge d. on the scale of subatomic particles it is light and has a -1 charge ____ 20. The neutron got its name because which of the following is true? a. it neutralizes protons b. it neutralizes electrons c. it does not have an electrical charge d. it has no effect on any atomic properties ____ 21. The mass number of an atom is equal to which of the following? a. the number of protons in the atom b. the number of neutrons in the atom c. the total number of protons and neutrons in the atom d. the total number of protons, neutrons and electrons in the atom ____ 22. The atomic number of an atom is equal to which of the following? a. the number of protons in the atom b. the number of neutrons in the atom c. the total number of protons and neutrons in the atom d. the total number of protons, neutrons and electrons in the atom ____ 23. What is the mass number of an atom which is made up of 38 protons, 52 neutrons and 38 electrons? a. 38 c. 90 b. 52 d. 128 ____ 24. Which is true of isotopes of an element? a. they have different numbers of electrons b. they have different numbers of neutrons c. they have different numbers of protons d. they have different chemical properties ____ 25. Which of the following contains two species which have the same mass number? a. 14C, 14N c. both a and b b. 12C, 13C d. neither a nor b ____ 26. Which of the following is true of the atomic weight of an element? a. it is the weight of heaviest isotope b. it is the weight lightest isotope c. it is the weight of the most abundant isotope d. it is an average obtained from the weights and abundances of the isotopes ____ ____ 27. 28. What are the horizontal rows of the periodic table called? a. cycles c. b. periods d. families none of these What are the vertical columns of the periodic table called? a. families c. b. periods d. either a or b neither a nor b ____ 29. What are the elements in the “A” columns of the period table called? a. main group elements c. metalloids b. inner transition elements d. transition elements ____ 30. Which columns o the periodic table is commonly called the halogens? a. 1A c. 7A b. 4A d. 8A ____ 31. Which of the following contains only transition metals? a. Ca, Cr, Fe, Ni, b. V, W, Xe, Zr c. d. Cr, Mo, Ni, Pt none of these ____ 32. The properties of ductility, malleability, ability to conduct heat and electricity are characteristics of what type of material? a. all elements c. metalloid elements b. metallic elements d. nonmetallic elements ____ 33. Which of the following is true of the number of subshells associated with a particular shell? a. it depends on which atom is being considered b. it depends on the particular shell being considered c. it depends on both a and b d. it depends on neither a nor b ____ 34. How many orbitals are there in the 4p subshell? a. 1 b. 2 c. d. 3 4 How many orbitals are there in the 3d subshell? a. 3 b. 5 c. d. 7 8 ____ 35. ____ 36. How many electrons can be accommodated in the 4p subshell? a. 4 c. 8 b. 6 d. 18 ____ 37. How many electrons can be accommodated in the 3d subshell? a. 3 c. 10 b. 6 d. 18 ____ 38. Which of the following statements describe properties of orbitals? a. Orbitals fill in the order of increasing energy from lowest to highest. b. Each orbital can hold up to two electrons with spins paired. c. When there is a set of orbitals of equal energy each orbital becomes half filled before any of them becomes completely filled. d. all of the above ____ 39. Which of the following is the correct order of filling orbitals? a. 1s, 2s, 2p, 3s, 3p, 3d, 4s c. b. 1s, 2s, 2p, 3s, 3p, 4s, 3d d. 1s, 2s, 3s, 4s, 2p, 3p, 3d none of these How many valence electrons are there in an oxygen atom? a. 2 c. b. 4 d. 6 8 ____ ____ 40. 41. The number of valence electrons of a main group element is related to which of the following? a. the element’s atomic number c. the element’s column number b. the element’s atomic weight d. none of the above ____ 42. Which of the following is the correct Lewis dot picture of the nitrogen atom? a. c. b. d. ____ 43. In the region of the periodic table associated with the transition elements which orbitals are being filled? a. s c. d b. p d. f ____ 44. What type of particles can atoms gain or lose when they become ions? a. protons c. electrons b. neutrons d. it depends on the atom involved ____ 45. The atomic number of an atom is defined as its a. mass in amu. b. number of electrons. ____ 46. The symbol a. b. ____ 47. c. d. number of neutrons. number of protons. c. d. 9 protons and 19 neutrons. 9 protons and 10 electrons. c. d. volume/mass. mass + volume. indicates a fluorine atom that contains 19 protons and 9 neutrons 9 protons and 10 neutrons. Density is equal to a. mass/volume. b. mass – volume. ____ 48. The measurement 0.035550 g rounded off to two significant figures would be a. 0.03 g. c. 0.036 g. 2 g. b. 0.35 g. d. 3.5 ____ 49. The number of significant figures in the measurement 0.000 305 kg is a. 2. c. 6. b. 3. d. 7. Chapter 1 and 2 test practice Answer Section MULTIPLE CHOICE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: TOP: ANS: TOP: ANS: TOP: ANS: TOP: AS: TOP: ANS: TOP: ANS: TOP: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: TOP: ANS: TOP: ANS: TOP: C D A D A B D C PTS: 1 1.5 - WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER? C PTS: 1 1.5 - WHAT IS A HANDY WAY TO CONVERT FROM ONE UNIT TO ANOTHER? C PTS: 1 1.7 - WHAT ARE DENSITY AND SPECIFIC GRAVITY? D PTS: 1 1.7 - WHAT ARE DENSITY AND SPECIFIC GRAVITY? C PTS: 1 1.9 - HOW DO WE DESCRIBE HEAT AND THE WAYS IN WHICH IT IS TRANSFERRED? D PTS: 1 1.9 - HOW DO WE DESCRIBE HEAT AND THE WAYS IN WHICH IT IS TRANSFERRED? B PTS: 1 1.9 - HOW DO WE DESCRIBE HEAT AND THE WAYS IN WHICH IT IS TRANSFERRED? C PTS: 1 TOP: 2.2 – HOW DO WE CLASSIFY MATTER? D PTS: 1 TOP: 2.2 – HOW DO WE CLASSIFY MATTER? D PTS: 1 TOP: 2.4 – WHAT ARE ATOMS MADE OF? A PTS: 1 TOP: 2.4 – WHAT ARE ATOMS MADE OF? D PTS: 1 TOP: 2.4 – WHAT ARE ATOMS MADE OF? C PTS: 1 TOP: 2.4 – WHAT ARE ATOMS MADE OF? C PTS: 1 TOP: 2.4 – WHAT ARE ATOMS MADE OF? A PTS: 1 TOP: 2.4 – WHAT ARE ATOMS MADE OF? C PTS: 1 TOP: 2.4 – WHAT ARE ATOMS MADE OF? B PTS: 1 TOP: 2.4 – WHAT ARE ATOMS MADE OF? A PTS: 1 TOP: 2.4 – WHAT ARE ATOMS MADE OF? D PTS: 1 TOP: 2.4 – WHAT ARE ATOMS MADE OF? B PTS: 1 TOP: 2.5 – WHAT IS THE PERIODIC TABLE? A PTS: 1 TOP: 2.5 – WHAT IS THE PERIODIC TABLE? A PTS: 1 TOP: 2.5 – WHAT IS THE PERIODIC TABLE? C PTS: 1 TOP: 2.5 – WHAT IS THE PERIODIC TABLE? C PTS: 1 TOP: 2.5 – WHAT IS THE PERIODIC TABLE? B PTS: 1 TOP: 2.5 – WHAT IS THE PERIODIC TABLE? B PTS: 1 2.6 – HOW ARE THE ELECTRONS IN AN ATOM ARRANGED? C PTS: 1 2.6 – HOW ARE THE ELECTRONS IN AN ATOM ARRANGED? B PTS: 1 2.6 – HOW ARE THE ELECTRONS IN AN ATOM ARRANGED? ANS: TOP: ANS: TOP: ANS: TOP: ANS: B PTS: 1 2.6 – HOW ARE THE ELECTRONS IN AN ATOM ARRANGED? C PTS: 1 2.6 – HOW ARE THE ELECTRONS IN AN ATOM ARRANGED? D PTS: 1 2.6 – HOW ARE THE ELECTRONS IN AN ATOM ARRANGED? B PTS: 1 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. TOP: ANS: TOP: ANS: TOP: ANS: TOP: ANS: TOP: ANS: ANS: ANS: ANS: ANS: OBJ: ANS: OBJ: 2.6 – HOW ARE THE ELECTRONS IN AN ATOM ARRANGED? C PTS: 1 2.6 – HOW ARE THE ELECTRONS IN AN ATOM ARRANGED? C PTS: 1 2.6 – HOW ARE THE ELECTRONS IN AN ATOM ARRANGED? D PTS: 1 2.6 – HOW ARE THE ELECTRONS IN AN ATOM ARRANGED? C PTS: 1 2.7 - HOW ARE ELECTRON CONFIGURATION AND POSITION IN THE PERIODIC TABLE RELATED? C PTS: 1 TOP: 2.8 – WHAT IS A PERIODIC PROPERTY? D PTS: 1 OBJ: 3C 3.g B PTS: 1 OBJ: 3C 3.h A PTS: 1 OBJ: 1A 1.i C PTS: 1 DIF: II REF: 3 2 B PTS: 1 DIF: II REF: 3 2