Complete The Elements Chart Page 2
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1
2II. The table below lists fifteen different atoms of elements. The number of protons
and neutrons each atom of the element is also listed. Use that information to find
the atomic mass (or atomic weight) of each of these elements. Write you answer in
the last column.
Name of
Number of
Number of
Atomic Mass (or
element
protons
neutrons
atomic weight)
1 cobalt
27
32
2. zinc
30
35
3. krypton
36
48
4. hydrogen
1
0
5. potassium
19
20
6. gold.
79
118
7. arsenic
33
42
8. sulfur
16
16
9. iodine
53
74
10. tungsten
74
110
11. silver
47
61
12. uranium
92
146
13. lead
82
125
14. calcium
20
20
15. oxygen
8
8
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