MCQOPTIONS
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| 1. |
Isotopes of an element contain______. |
| A. | The same number of protons but different number of neutrons |
| B. | The same number of neutrons but different number of protons |
| C. | Equal number of protons and electrons |
| D. | Equal number of nucleons |
| Answer» B. The same number of neutrons but different number of protons | |