1.

When a nucleus with atomic number `Z` and mass number `A` undergoes a radioactive decay process, (i) Both `Z` and `A` will decrease, if the process is `alpha` decay (ii) `Z` will decrease but `A` will not change, if the process is `beta^(+)-`decay (iii) `Z` will increase but `A` will not change, if the process is `beta-`decay (iv) `Z` and `a` will remain uncharged, if the prices is `gamma` decayA. `(i),(ii),(iii)`B. `(ii),(iii),(iv)`C. `(i),(ii),(iv)`D. all

Answer» Correct Answer - D


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