MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
Which one of the following pairs represents isobars [CPMT 1988] |
| A. | \[_{2}^{3}He\] and \[_{2}^{4}He\] |
| B. | \[_{12}^{24}Mg\] and \[_{12}^{25}Mg\] |
| C. | \[_{19}^{40}K\] and \[_{20}^{40}Ca\] |
| D. | \[_{19}^{39}K\] and \[_{19}^{40}K\] |
| Answer» D. \[_{19}^{39}K\] and \[_{19}^{40}K\] | |