MCQOPTIONS
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| 1. |
Isotopes are atoms having [KCET 1994; BHU 2001] |
| A. | Same number of protons but different number of neutrons |
| B. | Same number of neutrons but different number of protons |
| C. | Same number of protons and neutrons |
| D. | None of the above |
| Answer» B. Same number of neutrons but different number of protons | |