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Textbook Expert
Textbook ExpertVerified Tutor
6 Nov 2021

Given information

A partial decay series of undergoing the given sequential decays .

Step-by-step explanation

Step 1.

In alpha decay, the radioactive nuclide emits the helium nucleus. In this type of decay, the mass number of nuclides decreases by units and the atomic number decreases by units.

 

The nuclear equation corresponding to the alpha decay of is,

 

In the alpha decay of , nuclide converts to nuclide with the emission of a helium nucleus. The mass number decreases by units and the atomic number decreases by units.

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