140 Belt of Stability 130 120 110 = Stable Isotope 100 Number of Neutrons 50 50 70 60 60 70 80 60 90 90 40 40 30 20 20 10 10 0 0 10 20 20 30 60 70 10 40 50 Number of Protons 80 90

Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter19: Radioactivity And Nuclear Energy
Section: Chapter Questions
Problem 11QAP
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Question

Based on their neutron to proton ratio, what type of nuclear decay would you expect for each of the following isotopes. Are the isotopes stable?

Mg-30

Cd-113

140
Belt of Stability
130
120
110
= Stable Isotope
100
Number of Neutrons
50
50
70
60
60
70
80
60
90
90
40
40
30
20
20
10
10
0
0
10
20
20
30
60
70
10
40
50
Number of Protons
80
90
Transcribed Image Text:140 Belt of Stability 130 120 110 = Stable Isotope 100 Number of Neutrons 50 50 70 60 60 70 80 60 90 90 40 40 30 20 20 10 10 0 0 10 20 20 30 60 70 10 40 50 Number of Protons 80 90
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