

MCQOPTIONS
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1. |
An artificial radioactive isotope gave \[_{7}^{14}N\]after two successive \[\beta -\]particle emissions. The number of neutrons in the parent nucleus must be [KCET 2004] |
A. | 9 |
B. | 14 |
C. | 5 |
D. | 7 |
Answer» B. 14 | |