10)
The same reaction can produce other pairs of intermediate mass
fragments
1
235
236
133
99
1
0
92
92
51
41
0
n
U
U
Sb
Nb
4 n
+
→
→
+
+
(13 11)
Or, as another example,
1
235
140
94
1
0
92
54
38
0
n
U
Xe
Sr
2 n
+
→
+
+
(13 12)
The fragment products are radioactive nuclei; they emit b particles in
succession to achieve stable end products The energy released (the Q value ) in the fission reaction of nuclei like
uranium is of the order of 200 MeV per fissioning nucleus