Write a complete nuclear equation for each of the following:
1. The decay of 53
26
Fe by beta emission.
2. The decay of
230
90
Th by alpha emission.
3. The decay of
226
88
Ra by alpha decay.
4. The decay of
131
53
I by beta decay.
5. The decay of
238
92
U by alpha decay.
6. The decay of 218
85
At by alpha decay.
7. The decay of
214
84
Po by alpha decay.
8. The decay of
3
1
H by beta decay.
9. The decay of
235
92
U by beta decay.
10. The decay of
60
26
Fe by beta decay.
Provide the missing term in each of the following:
11. ________ →
206
82
Pb +
4
2
He 12.
222
86
Rn → _________ + 4
2
He
13.
230
90
Th → _________ + 4
2
He 14.
38
19
K → _________ + 0
-1
β
15.
234
90
Th → _________ + 0
-1
β
16.
32
16
S → 32
17
Cl + ____________
17. DEFINE: nuclear fission
18. DEFINE: nuclear fusion
19. What are the steps in a nuclear fission chain reaction? What initiates this event?
20. Why do we use nuclear fission instead of nuclear fusion in nuclear power plants?
21. Nuclear ( fission / fusion ) takes place on our sun and on other stars.
* circle the correct answer
22. What is the lowest temperature at which nuclear fusion can take place?
23. What is the name of the force that holds together the subatomic particles of the nucleus?
24. Describe the different penetrating powers of alpha, beta, and gamma radiation.