

MCQOPTIONS
Saved Bookmarks
1. |
The electronic configuration of an atom having atomic number 20 is |
A. | 2, 8, 10 |
B. | 2, 6, 8, 4 |
C. | 2, 8, 8, 2 |
D. | 2, 10, 8 |
Answer» D. 2, 10, 8 | |