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Topic 12: Nuclear Chemistry

13. Fission and Fusion reactions: Determining fission and fusion reactions equations.
1. Which nuclear equation represents a fusion reaction?
1
14
1
2
14
1
3
1) N + n ----- C + H 3) H + H ----- He
7 0 6 1 1 1 2
238 4 241 1 235 1 87 146 1
2) U + He ----- Pu + n 4) U + n ---- Br + La + 3 n
92 2 94 0 92 0 35 57 0
2. Which equation represents nuclear fusion?
1
4
4
2
3
1) H + H --------- He + n 3) 226 Ra ---------- 222 Rn + He
1 1 2 0 88 84 2
238 1 239 0 7 1 8
2) U + n ------ Np + e 4) Li + p ---- Be
92 0 93 -1 3 1 4
3. Fission reaction is represented by which nuclear equation?
1
1

1

+
1) 238 U 4 He ------ 241 Pu + n 3) 235 U + n ----- 87 Br + 146 La + 3 n
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92 2 94 0 92 0 35 57 0
14
3
2
1
1
1
14
2) N + n ----- C + H 4) H + H ---- He
7 0 6 1 1 1 2
4. Which nuclear equation represents fission reaction?
43
43
0
0
10
10
1) Sc ------------- Ca + e 3) Be ---------- B + e
21 20 +1 4 5 -1
32
1
94
1
1
32
1
235
2) U + n ----- 139 Ba + Kr + 3 n 4) S + n --- P + H
92 0 56 36 0 16 0 15 1

14. Balancing nuclear equation: Determining missing particles in nuclear equations
1. In the nuclear equation: 234 0
Pa --------------- X + e
91 -1

Which particle is represented by the X?
234
2)
1) 234 U 93 Np 3) 235 U 4) 235 Np
92
93
92
2. Given the nuclear equation below
15
15 8 7
O -------------------- X + N

Which particle is represented by X ?
1) Neutron 2) Alpha particle 3) Beta particle 4) Positron

3. Which particle is represented by X in the nuclear equation below? 1
78
75
As + X ------- Br + n
33 35 0
0
1
4
1) 1 H 2) n 3) e 4) He
1 0 +1 2
4. Given the nuclear reaction:
237
241 Am ------------------- Np + X
95 93

Which particle is represented by X?

1) Alpha 2) Beta 3) Positron 4) Proton

5. Consider the equation below: 0 37
X + e ------------- Cl
-1 17
X is
1) Chlorine-37 2) Argon-37 3) Sulfur-37 4) Phosphorous-37

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