MCQOPTIONS
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| 1. |
Mark the correct statement [MP PMT 2004] |
| A. | Nuclei of different elements can have the same number of neutrons |
| B. | Every element has only two stable isotopes |
| C. | Only one isotope of each element is stable |
| D. | All isotopes of every element are radioactive |
| Answer» B. Every element has only two stable isotopes | |