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Name______________________________________ Period ___________ Date_________________
ISOTOPES, IONS, AND ATOMS WORKSHEET
Atomic # = # of protons. Mass # = Atomic # + neutrons. Protons = electrons when charge is zero.
Atomic #
Mass #
# p+
# e-
1) 17
2)
180
3)
4) 92
40
238
# n0
charge
19
0
71
109
38
46
Symbol
86
206
5)
Pb4+
82
6)
34
7)
113
8) 21
42
48
45
-2
49
0
31
9)
P3-
15
10)
83
80
126
108
11)
Ag
47
12)
116
49
+3
13)
128
53
-1
14) 76
188
72
Name______________________________________ Period ___________ Date_________________
ISOTOPES, IONS, AND ATOMS WORKSHEET 2
Atomic # Mass #
# p+
# e-
# n0
1) 14
2)
16
75
3)
4) 99
charge
51
252
36
42
54
79
Symbol
+4
96
208
Pb2+
5)
82
6)
52
7)
113
8) 42
98
48
76
-2
49
+6
17
N3-
9)
7
10)
209
83
+5
110
11)
Pd
46
12)
124
50
+4
13)
79
35
-1
14) 60
148
58
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