Which of the following could be released during the nuclear fission of a U-235 nucleus?

Krypton-89

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Lanthanum-148

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Bromine-85

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Barium-144

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Solution

The correct options are
A Krypton-89
B Lanthanum-148
C Bromine-85
D Barium-144
The nuclear fission of a uranium-235 nucleus could happen in two possible ways:

U-235 after being hit by a neutron, could split into barium-144 and krypton-89 nuclei, along with three high speed neutrons.

U-235 after being hit by a neutron, could split into lanthanum-148 and bromine-85 nuclei, along with three high speed neutrons.

A tremendous amount of 191 MeV energy is released in the process.

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