ib exam
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
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