Kaplan Chemistry Discretes Test 2

Kaplan Chemistry Discretes Test 2 - General Chemistry...

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General Chemistry Discretes Test 2 KAPLAN 1 General Chemistry Discretes Test 2 Time: 30 Minutes Number of Questions: 30 This test consists of 30 discrete questions—questions that are NOT based on a descriptive passage. These discretes comprise 15 of the 77 questions on the Physical Sciences and Biological Sciences sections of the MCAT.
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MCAT 2 as developed by GENERAL CHEMISTRY DISCRETES TEST 2 DIRECTIONS: The following questions are not based on a descriptive passage; you must select the best answer to these questions. If you are unsure of the best answer, eliminate the choices that you know are incorrect, then select an answer from the choices that remain. Indicate your selection by blackening the corresponding circle on your answer sheet. PERIODIC TABLE OF THE ELEMENTS 1 H 1.0 2 He 4.0 3 Li 6.9 4 Be 9.0 5 B 10.8 6 C 12.0 7 N 14.0 8 O 16.0 9 F 19.0 10 Ne 20.2 11 Na 23.0 12 Mg 24.3 13 Al 27.0 14 Si 28.1 15 P 31.0 16 S 32.1 17 Cl 35.5 18 Ar 39.9 19 K 39.1 20 Ca 40.1 21 Sc 45.0 22 Ti 47.9 23 V 50.9 24 Cr 52.0 25 Mn 54.9 26 Fe 55.8 27 Co 58.9 28 Ni 58.7 29 Cu 63.5 30 Zn 65.4 31 Ga 69.7 32 Ge 72.6 33 As 74.9 34 Se 79.0 35 Br 79.9 36 Kr 83.8 37 Rb 85.5 38 Sr 87.6 39 Y 88.9 40 Zr 91.2 41 Nb 92.9 42 Mo 95.9 43 Tc (98) 44 Ru 101.1 45 Rh 102.9 46 Pd 106.4 47 Ag 107.9 48 Cd 112.4 49 In 114.8 50 Sn 118.7 51 Sb 121.8 52 Te 127.6 53 I 126.9 54 Xe 131.3 55 Cs 132.9 56 Ba 137.3 57 La * 138.9 72 Hf 178.5 73 Ta 180.9 74 W 183.9 75 Re 186.2 76 Os 190.2 77 Ir 192.2 78 Pt 195.1 79 Au 197.0 80 Hg 200.6 81 Tl 204.4 82 Pb 207.2 83 Bi 209.0 84 Po (209) 85 At (210) 86 Rn (222) 87 Fr (223) 88 Ra 226.0 89 Ac † 227.0 104 Rf (261) 105 Ha (262) 106 Unh (263) 107 Uns (262) 108 Uno (265) 109 Une (267) * 58 Ce 140.1 59 Pr 140.9 60 Nd 144.2 61 Pm (145) 62 Sm 150.4 63 Eu 152.0 64 Gd 157.3 65 Tb 158.9 66 Dy 162.5 67 Ho 164.9 68 Er 167.3 69 Tm 168.9 70 Yb 173.0 71 Lu 175.0 90 Th 232.0 91 Pa (231) 92 U 238.0 93 Np (237) 94 Pu (244) 95 Am (243) 96 Cm (247) 97 Bk (247) 98 Cf (251) 99 Es (252) 100 Fm (257) 101 Md (258) 102 No (259) 103 Lr (260)
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General Chemistry Discretes Test 2 KAPLAN 3 1. What is the formal charge on carbon in the carbonate ion? A. 0 B. -2 C. +2 D. +4 2. Which of the following represents the range of values possible for the Azimuthal quantum number for an electron with principal quantum number n? A. 0 to n -1 B. 0 to n C. n to n D. –( n -1) to n -1 3. Which of the following is isoelectronic with Al 3+ ? A. Si + B. B 3+ C. O 2- D. Cl - 4. temperature pressure * In the diagram above, the starred point is the point at which: A. all three phases are in equilibrium. B. a substance changes from liquid to gas. C. the differences between the properties of the solid and liquid phases disappear. D. the differences between the properties of the liquid and gas phases disappear. 5. Which of the following is not a Lewis base? A. Cl - B. NH 3 C. BF 3 D. THF (tetrahydrofuran) 6. For the equilibrium: 42 43 HC lO( ) HO () C lO( ) HO() , aq l aq l −+ ++ U ClO 4 - is the: A. conjugate acid of HClO 4 . B. conjugate base of HClO 4 . C. conjugate acid of H 2 O. D. conjugate base of H 2 O. 7. Ten electrons have just been placed into 4 d orbitals. The next electron will be placed in a: A. 4 f orbital. B. 4 p orbital. C. 5 p orbital. D. 5 f orbital. 8. Which of the following will occur if the basicity of a saturated solution of Na 2 SO 4 is increased?
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Kaplan Chemistry Discretes Test 2 - General Chemistry...

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