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A and B are isotopes. B and C are isobar...

`A` and `B` are isotopes. `B` and `C` are isobars. All three are radioactive. Which one of the following is true.

A

A,b and C must belong to the same element.

B

A,B and C may belong to the same element .

C

It is possible that A will change to B though a radioactive-decay process.

D

It is possible that B will change to C through a radioactive -decay process.

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The correct Answer is:
d
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