ib exam

Topics: Zinc, Atom, Periodic table Pages: 12 (1944 words) Published: October 16, 2014
N12/4/CHEMI/SPM/ENG/TZ0/XX

88126104

CHEMISTRY
standard level
Paper 1
Friday 9 November 2012 (afternoon)
45 minutes
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. • The maximum mark for this examination paper is [30 marks].

8812-6104

12 pages
© International Baccalaureate Organization 2012

8812-6104

21
Sc
44.96

20
Ca
40.08

38
Sr
87.62

19
K
39.10

37
Rb
85.47

22
Ti
47.90

23
V
50.94

41
Nb
92.91

12
Mg
24.31

11
Na
22.99

87
Fr
(223)

88
Ra
(226)





89 ‡
Ac
(227)

90
Th
232.04

58
Ce
140.12

91
Pa
231.04

59
Pr
140.91

73
Ta
180.95

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

92
U
238.03

60
Nd
144.24

74
W
183.85

42
Mo
95.94

24
Cr
52.00

Relative atomic mass

Element

Atomic number

40
Zr
91.22

39
Y
88.91

4
Be
9.01

2

3
Li
6.94

1
H
1.01

1

29
Cu
63.55

30
Zn
65.37

93
Np
(237)

94
Pu
(242)

95
Am
(243)

96
Cm
(247)

97
Bk
(247)

98
Cf
(251)

61
66
62
63
64
65
Pm
Dy
Sm
Tb
Eu
Gd
146.92 150.35 151.96 157.25 158.92 162.50

75
80
76
77
78
79
Re
Os
Pt
Au
Hg
Ir
186.21 190.21 192.22 195.09 196.97 200.59

48
44
45
46
47
Cd
Ru
Rh
Pd
Ag
101.07 102.91 106.42 107.87 112.40

28
Ni
58.71

43
Tc
98.91

27
Co
58.93

26
Fe
55.85

25
Mn
54.94

The Periodic Table

50
Sn
118.69

32
Ge
72.59

14
Si
28.09

6
C
12.01

4

99
Es
(254)

100
Fm
(257)

67
68
Ho
Er
164.93 167.26

81
82
Tl
Pb
204.37 207.19

49
In
114.82

31
Ga
69.72

13
Al
26.98

5
B
10.81

3

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

5

35
Br
79.90

17
Cl
35.45
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