Question
Chemistry Question on Decay Rate
An artificial radioactive isotope gave 714N after two successive β -particle emissions. The number of neutrons in the parent nucleus must be :
A
5
B
7
C
9
D
14
Answer
9
Explanation
Solution
Answer (c) 9
An artificial radioactive isotope gave 714N after two successive β -particle emissions. The number of neutrons in the parent nucleus must be :
5
7
9
14
9
Answer (c) 9