Ib Chesmitry May 2008 Pastpapers

M08/4/CHEMI/HPM/ENG/TZ2/XX+

22086113

CHEMISTRY HIgHER lEvEl PaPER 1 Thursday 8 May 2008 (afternoon) 1 hour INSTRUCTIONS TO CANDIDATES
• Do not open this examination paper until instructed to do so. • Answer all the questions. • For each question, choose the answer you consider to be the best and indicate your choice on

the answer sheet provided. • The periodic table is provided for reference on page 2 of this examination paper.

2208-6113

16 pages © International Baccalaureate Organization 2008

2208-6113

1 2 He 4.00 5 B 10.81 13 Al 26.98 24 Cr 52.00 42 Mo 95.94 74 W 183.85 75 76 77 78 79 80 Re Os Pt Au Ir Hg 186.21 190.21 192.22 195.09 196.97 200.59 43 Tc 98.91 44 45 46 47 48 Ru Rh Pd Ag Cd 101.07 102.91 106.42 107.87 112.40 49 In 114.82 50 Sn 118.69 81 82 Tl Pb 204.37 207.19 25 Mn 54.94 26 Fe 55.85 27 Co 58.93 28 Ni 58.71 29 Cu 63.55 30 Zn 65.37 31 Ga 69.72 32 Ge 72.59 33 As 74.92 51 Sb 121.75 83 Bi 208.98 14 Si 28.09 15 P 30.97 16 S 32.06 34 Se 78.96 6 C 12.01 7 N 14.01 8 O 16.00 9 F 19.00 17 Cl 35.45 35 Br 79.90 52 53 Te I 127.60 126.90 84 Po (210) 85 At (210) 10 Ne 20.18 18 Ar 39.95 36 Kr 83.80

2

The Periodic Table
3 4 5 6 7 0

1 H 1.01

Atomic Number

3 Li 6.94

4 Be 9.01

Element

Atomic Mass

11 Na 22.99

12 Mg 24.31

19 K 39.10

20 Ca 40.08

21 Sc 44.96

22 Ti 47.90

23 V 50.94

– 2 –

37 Rb 85.47

38 Sr 87.62

39 Y 88.91

40 Zr 91.22

41 Nb 92.91

54 Xe 131.30 86 Rn (222)

55 56 57 † 72 Cs Ba La Hf 132.91 137.34 138.91 178.49

73 Ta 180.95

87 Fr (223) 60 Nd 144.24 92 U 238.03 93 Np (237) 94 Pu (242)

88 Ra (226)

89 ‡ Ac (227) 61 62 63 64 65 66 Pm Sm Tb Dy Eu Gd 146.92 150.35 151.96 157.25 158.92 162.50 95 Am (243) 96 Cm (247) 97 Bk (247) 98 Cf (251) 67 68 Ho Er 164.93 167.26 99 Es (254) 100 Fm (257) 69 Tm 168.93 101 Md (258) 70 71 Lu Yb 173.04 174.97 102 No (259) 103 Lr (260)

†

58 Ce 140.12

59 Pr 140.91

M08/4/CHEMI/HPM/ENG/TZ2/XX+

‡

90 Th 232.04

91 Pa...