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Physics
Physics
Problem
In the nuclear chain reaction
92
235
U
⟶
56
140
Ba
+
36
92
Kr
+
3
0
1
n
+
E
^{235}_{92}\text{U} \longrightarrow ^{140}_{56}\text{Ba} + ^{92}_{36}\text{Kr} + 3 ^{1}_{0}\text{n} + E
92
235
U
⟶
56
140
Ba
+
36
92
Kr
+
3
0
1
n
+
E
The number of neutrons given out after three steps is.....
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