MCQOPTIONS
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| 1. |
Scientists have discovered a new type of uranium that is the lightest ever known. What is the newfound uranium called? |
| A. | Uranium-117 |
| B. | Uranium-126 |
| C. | Uranium-214 |
| D. | Uranium-232 |
| E. | Uranium-239 |
| Answer» D. Uranium-232 | |