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Tanuja Parsa
Asked: 2022-11-06T13:29:52+05:30 In:

A radioactive atom `X` emits a `beta-`particle to produce an atom `Y` which then emits an Particle to give an atom `Z`
(1) the atomic number of `X` is less than that of `Z`.
(2) the atomic number of `Y` is less than that of `Z`.
(3) the mass number of `X` is the same as that of `Y`.
A. 1,2 and 3 are correct
B. 1 and 2 are correct
C. 2 and 3 are correct
D. 3 is correct

A radioactive atom `X` emits a `beta-`particle to produce an atom `Y` which then emits an Particle to give an atom `Z`
(1) the atomic number of `X` is less than that of `Z`.
(2) the atomic number of `Y` is less than that of `Z`.
(3) the mass number of `X` is the same as that of `Y`.
A. 1,2 and 3 are correct
B. 1 and 2 are correct
C. 2 and 3 are correct
D. 3 is correct
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  1. Correct Answer – d

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