MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    Number of protons, neutrons and electrons in the element\[_{89}{{\text{X}}^{\text{231}}}\]is | 
                            
| A. | 89, 89, 242 | 
| B. | 89, 142, 89 | 
| C. | Sunflower plant | 
| D. | 89, 231, 89 | 
| Answer» C. Sunflower plant | |