Name:_____________________________
Date:______________________
Period:______________________
Atomic Mass and Atomic Number Worksheet
Name of
Element
Copper
Tin
Symbol
Atomic
Number
Atomic
Mass
Protons
29
Sn
I
53
Uranium
7
O
Gold
Silver
8
79
16
47
Zinc
19
3
197
32
108
28
32
Silicon
35
14
80
1
2
4
201
195
56
Ca
Lead
Sodium
Fluorine
30
4
12
6
6
14
17
Bi
5
20
25
13
1
4
Cl
Boron
24
27
28
Fe
Mg
C
20
16
47
59
Platinum
H
He
29
50
8
30
Al
Hg
35
69
92
Chromium
Co
Ni
Electrons
127
238
K
Lithium
Neutrons
4
12
6
14
18
209
11
12
83
20
55
207
25
82
Na
9
P
15
10
31
In the diagram above, you must fill either the element, its chemical symbol,
# of electrons, # of protons, # of neutrons, Atomic Number, or Atomic
Mass/Weight for each of the elements below. Use your Periodic Table on
the Mar. 9th HW page to help you with determining what will go in the
blanks.
9