Atomic Structure: Atoms, Ions, & Isotopes
Name: _____________________________________
Period: _______
Date: _____________
I. Complete the Table. Use the information provided to complete the table.
Isotope
Nuclear
Symbol
Atomic Number
Mass Number
# of protons
# of neutrons
# of electrons
#$ +3
"N
silver-108
46
16
16
argon-40
18
18
"$ -3
''As
# +1
#H
uranium-235
89
3
74
4
2
68
#+# +5
"'Ta
#./ +3
$+Ce
II. Practice Problems
1. Write the nuclear symbol for the ion with 31
protons, 39 neutrons, and 28 electrons.
3. Write the nuclear symbol for the ion with 84
protons, 125 neutrons, and 80 electrons.
2. Write the nuclear symbol for the ion with 34 protons, 45
neutrons, and 36 electrons.
4. How many protons, neutrons, and electrons are present in
+6
this ion? #+.
".W
Copyright © 2017 Chemistry Corner
Atomic Structure: Atoms, Ions, & Isotopes
Name: _____________________________________
Period: _______
Date: _____________
Atomic Structure Maze
Directions: Find the correct answer, circle it, and follow the path to the FINISH!
5
26
6
B
C
5n0
Boron
Carbon
6n0
12.01
10.811
5p+
6e-
e-
1n0
0n0
1n0
H
Hydrogen
2p+
1.0079
56n0
Ba+2
2e_
36e-
Boron
10.81
91
40
54e-
5
B
Z=2
0e-
9p+
2e-
48 p+
14
6
C
17n0
30n0
22n0
13n0
10e-
27
13
Al+3
27p+
8
Zr
+4
9n0
9
4
Iron
55.845
1
mass #55, 22
mass #48, 22 e-
Fe
26n0
Be+2
18n0
18e-
2e-
chlorine-35
35p+
argon-40
O
18p+
Oxygen
35e-
16p+
16.00
18p+
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