ChemistryHLP1may03 - c 1 hour IB DIPLOMA PROGRAMME...

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CHEMISTRY HIGHER LEVEL PAPER 1 Wednesday 14 May 2003 (afternoon) 1 hour M03/420/H(1)+ c IB DIPLOMA PROGRAMME PROGRAMME DU DIPLÔME DU BI PROGRAMA DEL DIPLOMA DEL BI 223-152 15 pages INSTRUCTIONS TO CANDIDATES y Do not open this examination paper until instructed to do so. y Answer all the questions. y For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided.
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87 Fr (223) 55 Cs 132.91 37 Rb 85.47 19 K 39.10 11 Na 22.99 3 Li 6.94 1 H 1.01 88 Ra (226) 56 Ba 137.34 38 Sr 87.62 20 Ca 40.08 12 Mg 24.31 4 Be 9.01 2 89 ‡ Ac (227) 57 † La 138.91 39 Y 88.91 21 Sc 44.96 90 Th 232.04 58 Ce 140.12 72 Hf 178.49 40 Zr 91.22 22 Ti 47.90 91 Pa 231.04 59 Pr 140.91 73 Ta 180.95 41 Nb 92.91 23 V 50.94 92 U 238.03 60 Nd 144.24 74 W 183.85 42 Mo 95.94 24 Cr 52.00 Atomic Number Element Atomic Mass 93 Np (237) 61 Pm 146.92 75 Re 186.21 43 Tc 98.91 25 Mn 54.94 94 Pu (242) 62 Sm 150.35 76 Os 190.21 44 Ru 101.07 26 Fe 55.85 95 Am (243) 63 Eu 151.96 77 Ir 192.22 45 Rh 102.91 27 Co 58.93 96 Cm (247) 64 Gd 157.25 78 Pt 195.09 46 Pd 106.42 28 Ni 58.71 97 Bk 65 Tb 158.92 79 Au 196.97 47 Ag 107.87 29 Cu 63.55 The Periodic Table 98 Cf (251) 66 Dy 162.50 80 Hg 200.59 48 Cd 112.40 30 Zn 65.37 99 Es (254) 67 Ho 164.93 81 Tl 204.37 49 In 114.82 31 Ga 69.72 13 Al 26.98 5 B 10.81 100 Fm (257) 68 Er 167.26 82 Pb 207.19 50 Sn 118.69 32 Ge 72.59 14 Si 28.09 6 C 12.01 101 Md (258) 69 Tm 168.93 83 Bi 208.98 51 Sb 121.75 33 As 74.92 15 P 30.97 7 N 14.01 102 No (259) 70 Yb 173.04 84 Po (210) 52 Te 127.60 34 Se 78.96 16 S 32.06 8 O 16.00 103 Lr (260) 71 Lu 174.97 85 At 53 I 126.90 35 Br 79.90 17 Cl 35.45 9 F 19.00 86 Rn (222) 54 Xe 131.30 36 Kr 83.80 18 Ar 39.95 10 Ne 20.18 He 4.00 0 – 2 – M03/420/H(1)+ 223-152
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1. What amount of oxygen, , (in moles) contains molecules? 2 O 22 1.8 10 × A. 0.0030 B. 0.030 C. 0.30 D. 3.0 2. of sulfur dioxide are reacted with of oxygen according to the equation: 3 3.0 dm 3 2.0 dm 22 3 2SO(g ) O(g ) ) + What volume of sulfur trioxide (in is formed? (Assume the reaction goes to completion and all 3 dm ) gases are measured at the same temperature and pressure.) A. 5.0 B. 4.0 C. 3.0 D. 2.0 3. What volume (in of 0.30 mol NaCl solution can be prepared from 0.060 mol of solute? 3 dm ) 3 dm A. 0.018 B. 0.20 C. 0.50 D. 5.0 – 3 – M03/420/H(1)+ 223-152 Turn over
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4. Consider the composition of the species W, X, Y and Z below. Which species is an anion? 10 14 13 Z 12 12 12 Y 11 12 11 X 10 10 9 W Number of electrons Number of neutrons Number of protons Species A. W B. X C. Y D. Z 5. What is the electron configuration for an atom with Z = 22? A. 22 6264 1s 2s 2p 3s 3p 3d B. 22 6262 2 1s 2s 2p 3s 3p 4s 4p C. 1s 2s 2p 3s 3p 3d 4p D. 22 62622 1s 2s 2p 3s 3p 4s 3d 6. Which is related to the number of electrons in the outer main energy level of the elements from the alkali metals to the halogens?
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This note was uploaded on 05/02/2008 for the course CHEM 142,152,16 taught by Professor Unknown during the Spring '08 term at University of Washington.

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ChemistryHLP1may03 - c 1 hour IB DIPLOMA PROGRAMME...

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