Nuclei - Result Question 6
6. The nuclei of which one of the following pairs of nuclei are isotones?
[2005]
(a) $ _{34} Se^{74}, _{31} Ga^{71}$
(b) $ _{38} Sr^{84}, _{38} Sr^{86}$
(c) $ _{42} Mo^{92}, _{40} Zr^{92}$
(d) $ _{20} Ca^{40}, _{16} S^{32}$
Show Answer
Answer:
Correct Answer: 6. (a)
Solution:
- (a) Isotones means equal number of neutrons i.e., $(A-Z)=74-34=71-31=40$.
