MCQOPTIONS
Saved Bookmarks
| 1. |
The isotopes contain the same number of____ and different number of______. |
| A. | Neutrons, Protons |
| B. | Electrons, Protons |
| C. | tail feathers with the breast bone |
| D. | Neutrons, Protons |
| E. | None of these |
| Answer» D. Neutrons, Protons | |