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| Q. |
The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 6 |
| Answer» C. 3 | |
| Explanation: thermal nuclear reactors using enriched uranium as fuel contains a maximum of 6 percent fissile material i.e. u-235. | |
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