Chemistry Worksheet Template Page 4
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1
2
3
412. Fill in all of the missing information.
isotope name
#p
#n
#e-
mass #
atomic #
Isotope symbol
11
12
1
1
Iodine-127
251
Cf
98
85
210
118
79
19
41
ytterbium-171
190
Os
76
9
10
13. Given the following information, calculate the atomic mass.
28
113
a.
Si (92.21%)
b.
In
(4.3%)
29
115
Si (4.70%)
In (95.7%)
30
Si (3.09%)
35
32
c.
Cl (75.53%)
d.
S (95.0%)
37
33
Cl (24.47%)
S (0.8%)
34
S (4.2%)
64
70
e.
Zn (48.89%)
f.
Ge (21.2%)
66
72
Zn (27.81%)
Ge (27.7%)
67
73
Zn (4.11%)
Ge (7.7%)
68
74
Zn (18.57%)
Ge (34.9%)
70
78
Zn (0.62%)
Ge (7.4%)
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