Alpha Question Bank for Engineering: Chemistry>Chapter 11 - Nuclear Chemistry>Exercise-4>Q 4

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The element $X$ formed in the following nuclear reaction is ${}_{24}^{53}{Cr} + {}_{2}^{4}α \to {}_{0}^{1}n + X$

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Important Questions on Nuclear Chemistry

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Alpha Question Bank for Engineering: Chemistry>Chapter 11 - Nuclear Chemistry>Exercise-4>Q 11

A radioactive element has half life of

14

hours. The fraction of the radioactive isotope which will disintegrate in

56

hours is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 11 - Nuclear Chemistry>Exercise-4>Q 12

Thorium

232

loses a total of

6 α

particles and

4 β

particles in a decay process. The isotope produced at the end is-

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Alpha Question Bank for Engineering: Chemistry>Chapter 11 - Nuclear Chemistry>Exercise-5>Q 1

The

α

activity in

1 g

sample of

{}^{226}{Ra}

(

t_{1 / 2} = 1600

years) is equal to: