MCQOPTIONS
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| 1. |
The end product of the decay of 90Th232 is 82Pb208. The number of α and β-particles emitted are respectively |
| A. | 6, 4 |
| B. | 3, 3 |
| C. | 4, 6 |
| D. | 6, 0 |
| Answer» B. 3, 3 | |