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Pick out the correct statements from amo...

Pick out the correct statements from among the following:

A

One gram each of radium element and `RaSO""_(4)` will have the same activity

B

The beat particle emmited by a radioactive element is from valance shell of the atom.

C

Nuclear isomers will have the same mass numbers as well as atomic numbers

D

The fraction decayed during 'n' half lives is `(2""^(n)-1)/2""^(n)`

Text Solution

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The correct Answer is:
c,d
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