MCQOPTIONS
Saved Bookmarks
| 1. |
If the number of protons and neutrons of an element is 13 and 14 respectively, then what’s the atomic number(Z) and mass number(A)? |
| A. | 13, 13 |
| B. | 13, 27 |
| C. | 14, 13 |
| D. | 27, 14 |
| Answer» C. | |