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If a radioactive isotope with atomic number A and mass number M emits an `alpha-`particle, the atomic number and mass number of that new isotope will becomeA. `A -2, M -4`B. `A -2, M`C. `A, M -2`D. `A -4, M -2` |
Answer» Correct Answer - A `._(A)X^(M) overset(-alpha)rarr ._(A-2)Y^(M-4)` |
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