MCQOPTIONS
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| 1. |
Isotopes of same elements have the same number of [BHU 1984; DPMT 1983; CPMT 1972, 78; AFMC 2000, 01] |
| A. | Protons |
| B. | Neutrons |
| C. | Deutrons |
| D. | None |
| Answer» B. Neutrons | |