
Concept explainers
(a)
Interpretation:
When uranium-235 undergoes nuclear fission then the addition of neutron takes place. The isotope must be identified along with the symbol.
Concept introduction:
In nuclear fission of uranium-235 it is bombarded with fast-moving neutron to generate another isotope of Uranium which further generates lighter nuclides like barium, krypton and 3 neutrons.

Answer to Problem 6E
Uranium-236 is produced when uranium-235 undergoes nuclear fission.
The symbol is
Explanation of Solution
The nuclear reaction in which uranium undergoes nuclear fission with neutron is shown below.
Thus, the isotope is uranium-236 with a symbol
(b)
Interpretation:
The number of protons in the products of nuclear fission of uranium-236 needs to be calculated.
Concept introduction:
In nuclear fission of uranium-235 it is bombarded with fast-moving neutron to generate another isotope of Uranium which further generates lighter nuclides like barium, krypton and 3 neutrons.

Answer to Problem 6E
Total proton is 92.
Explanation of Solution
The nuclear fission of Uranium-235 is represented as follows:
Further,
Here, barium has
(c)
Interpretation:
Whether there is any proton change in the nuclear fission of uranium-235 or not must be explained.
Concept introduction:
In nuclear reaction total protons of reactants must be equal to total protons of products.

Answer to Problem 6E
There is no change in protons in the nuclear reaction of uranium-235.
Explanation of Solution
Protons before fission are equal to the sum of protons in uranium-235 and the proton in neutron thus,
Protons after nuclear fission are equal to the sum of protons of barium, protons of krypton and protons in 3 neutrons thus,
Thus, there is no change in protons.
Chapter U1 Solutions
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