Chemistry
Mrs. Westphal
Name:__________________________________
Date:________________
Subatomic Particle Practice with Ions
Fill in the chart. Be sure to add the atomic # and mass # to element symbol if not given.
Isotope
Element
Symbol
Atomic
#
Mass #
Protons Neutrons Electrons
Copper - 65
28
3
7
2
Neon – 20
16
8
10
36
17Cl
21
24
Calcium – 40
18
18
80
35
36
52
76
54
30
35
28
27
+3
13Al
Iron – 56
24
26
55
23
31
-3
15P
Xenon – 131
24
Carbon – 12
12
10
10
1
3
0
1
2
24
+
11Na