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When a nucluse with atomic number Z and ...

When a nucluse with atomic number Z and mass number A undergoes a readioactive decayed process

A

both Zand A will decrease if the process is  `alpha` decay

B

Z will decrease but A will not change the process is `beta^(+)` decay

C

Z will increase but A will not change the process is `beta^(-)` decay

D

Z and A will remain unchanged the process is `gamma` decay

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The correct Answer is:
A, B, C, D
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