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ATOMIC STRUCTURE WORKSHEET
Complete the table. There is enough information given for each element to determine all missing
numbers.
Symbol
23
Atomic
Number
Mass
Number
Number
of
Protons
Number
of
Electrons
Number
of
Neutrons
Na
K
40
19
38
38
F
52
10
20
41
18
50
50
72
131
I
26
Mg
109
1
36
2
46
1
S
26
27
47
23
Al
2
Cr
4
53
2
32

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