What do you mean by Induced Radioactivity?

Induced Radioactivity is a type of Artificial Radioactivity. A process in which a new radioactive isotope is prepared by using a known element is known as Induced Radioactivity.

This concept was discovered by Frederic Joliot and Irene Curie in 1934. In this some light weight elements like aluminum, magnesium and boron are bombarded with alpha particles and by which it changes into a new radioactive isotopes. Disintegration of these isotopes occur like uranium, radium etc which are naturally occurring radioactive elements.
For Example:

In magnesium, the change is represented as:
12Mg24 + 2He4 ——-> 14Si27 + 0n1

The silicon which is produced in above equation is radioactive and disintegrates as:

14Si27 ——->13Al27 + 1e0

By this way a positron i.e. 1e0, a part of electron was discovered for the first time. A positron have charge unit positive but negligible mass. Mostly electrons and positrons are emitted during the disintegration of radioactive isotopes which are prepared artificially.

Another Example of Induced Radioactivity is as follows:

B10 + 2He4 ——-> 7N13 + 0n1

The nitrogen which is produced in above equation is radioactive and disintegrates as:

7N13 ——->6C13 + 1e0

Category: Nuclear And Radiation Chemistry

1 Response to " What do you mean by Induced Radioactivity? "

  1. taneya says:

    it is explained in a very clear way.

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