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| 1. |
A certain nuclide has a half-life of 25 minutes. If one starts with 100 g of it, how much of it will remain at the end of 100 minutes [DPMT 1982] |
| A. | 1.0 g |
| B. | 4.0 g |
| C. | 6.25 g |
| D. | 12.50 g |
| Answer» D. 12.50 g | |