ICSE Class 10 Physics 2019 Solved Paper

Question : 70 of 74

Marks: +1, -0

Rewrite and complete the following nuclear reaction by filling in the atomic number of

B a

and mass number of

K r

{ }_{92}^{235} U+{ }_0^1 n →{ }_{....}^{144} B a+{ }_{36}^{....} K r+3{ }_0^1 n

+\;\text " Energy "\;

Solution:

{ }_{92}^{235} U+{ }_0^1 n →{ }_{56}^{144} B a+{ }_{36}^{89} K r

+3{ }_0^1 n+\;\text " Energy "\;

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