Pa 234 91 0 234 a pa u β 234 91 234 92 0 1 u 234 92 2

Pa 234
91
Intermolecular Forces & Nuclear Chemistry Workshop Activity - Ap...
...
0
234
A =
Pa U β
234
91
→
234
92
+
0
−1
U
234
92
2
90
Z =
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Correct
The balanced nuclear equation is
Part E
undergoes alpha decay. What is the mass number of the resulting element?
U Th He
234
92
→
230
90
+
4
2
Intermolecular Forces & Nuclear Chemistry Workshop Activity - Ap...
...
Express your answer numerically as an integer.
Hint 1. How to approach the problem
Looking at the superscripts of the equation,
we see that
Th Ra He 230
90
→ A
88
+ 4
2
230 = A + 4
.
Correct
The balanced nuclear equation is
Chapter 21 Algorithmic Question 44
Part A
Which nuclide below is most likely to decay by electron capture?
ANSWER:
Th Ra He
230
90
→
226
88
+
4
2
Yb
170
70
Yb 174
70
Yb
166
70
Yb 178
70
Chapter 21 Algorithmic Question 43
Part A
Which of the following nuclides is most likely to undergo beta decay?
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Intermolecular Forces & Nuclear Chemistry Workshop Activity - Ap...
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Chapter 21 Multiple Choice Question 16
Part A
Which of the following statements is TRUE?
Chapter 21 Multiple Choice Question 20
Part A
Which of the following nuclides are most likely to decay via positron emission?
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Chapter 21 Algorithmic Question 42
Part A
Which of the following elements would be expected to be particularly stable?
ANSWER:
F
21
9
P 30
15
Ca
40
20
Ne
23
10

Exercise 21.41 - Enhanced - with Feedback and Hints
MISSED THIS? Read Section 21.4 ( Pages 954 - 957 ) .
Part A
Predict a likely mode of decay for each of the following unstable nuclides.
Drag the appropriate nuclides to their respective bins.
You did not open hints for this part.
ANSWER:
Exercise 21.42 - Enhanced - with Feedback and Hints
MISSED THIS? Read Section 21.4 ( Pages 954 - 957 ) .
Part A
Predict a likely mode of decay for each of the following unstable nuclides.
Drag the appropriate nuclides to their respective bins.
You did not open hints for this part.
ANSWER:
Na-26
Ca-42
I-131
Sb-122
S-30
Reset Help
Zr-80 Ru-90 Mo-109 Ga-60
Beta decay Positron emission
Intermolecular Forces & Nuclear Chemistry Workshop Activity - Ap...
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Exercise 21.80 - Enhanced - with Feedback
Enter a nuclear equation for the most likely mode of decay for each of the following unstable nuclides.
Part A
-165
Express your answer as a nuclear equation.
Y
ANSWER:
Part B
-77
Express your answer as a nuclear equation.
Reset Help
-132 -123 -60 -59
Sb Ba Cr Zn
Re
Y
Beta decay Positron emission
Intermolecular Forces & Nuclear Chemistry Workshop Activity - Ap...
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Part C
-85
Express your answer as a nuclear equation.
Br
Part D
-85
Express your answer as a nuclear equation.
Nb
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Score Summary:
Your score on this assignment is 83.3%.
You received 40 out of a possible total of 48 points.
Intermolecular Forces & Nuclear Chemistry Workshop Activity - Ap...
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