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(i) How does nuclear fission take place...

(i) How does nuclear fission take place?

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(i) In nuclear fission, the atom of a heavy element is bombarded by a neutron to form an unstable isotope.
(ii) The unstable isotope further splits into two or more smaller nuclei releasing extra neutrons and energy.
(iii) In nuclear fisson, huge amount of energy and heat is released.
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