MCQOPTIONS
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MCQOPTIONS
| 1. |
All isotopes of the same element have |
| A. | different atomic numbers and different atomic mass |
| B. | different atomic numbers and the same atomic mass |
| C. | the same atomic number but different atomic masses |
| D. | the same atomic number and the atomic mass |
| Answer» D. the same atomic number and the atomic mass | |