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(a) What will happen if slow moving neutrons are made to strike the atoms of a heavy element 235U92? What is the name of this process?
(b) Write a nuclear equation to represent the process which takes place.
(c) Name one installation where such a process is utilised.
(a) When the atoms of a heavy element, U-235, are bombarded with slow-moving neutrons, the heavy uranium nucleus breaks up to produce two medium-weighted atoms, barium-139 and krypton-94, with the emission of three neutrons. In this process, a tremendous amount of energy is produced. This process is known as nuclear fission.
(b) The nuclear reaction to represent the process is given below:
$_{92}^{235} \mathrm{U}+_{0}^{1} \mathbf{n} \stackrel{\text { fission }}{\longrightarrow}\ _{56}^{139} \mathrm{Ba}+_{36}^{94} \mathrm{Kr}+3_{0}^{1} \mathrm{n}+ Tremendous\ amount\ of\ energy\ (210MeV)$
(c) This process is utilised in the installation of nuclear power stations.
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Updated on: 10-Oct-2022
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