MCQOPTIONS
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| 1. |
An element A decays into an element C by a two-step process\[:\text{ }A\to B+He_{2}^{4}\] and \[B\to C+2e_{0}^{-1}\]Then |
| A. | A and C are isotopes |
| B. | A and C are isobars |
| C. | B and C are isotopes |
| D. | A and B are isobars |
| Answer» B. A and C are isobars | |