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प्रश्न
For the symbol H, D and T tabulate three sub-atomic particles found in each of them.
उत्तर
| Symbol | Isotopes | Atomic no (Z) | Mass no. | No. of protons (p) | No. of electrons (e) | No. of neutrons (n) |
| H | Hydrogen | 1 | 1 | 1 | 1 | 0 |
| D | Deuterium | 1 | 2 | 1 | 1 | 1 |
| T | Tritium | 1 | 3 | 1 | 1 | 2 |
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| A | 17 | 18 | 17 |
| B | 3 | 4 | 2 |
| C | 18 | 22 | 18 |
| D | 17 | 20 | 17 |
| E | 9 | 10 | 10 |
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