 
			 
			MCQOPTIONS
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				| 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 | |