Atoms And Nuclei Question 263

Question: The nuclei of which one of the following pairs of nuclei are isotones [CBSE PMT 2005]

Options:

A) $ _{34}Se^{74},{, _{31}}Ca^{71} $

B) $ _{42}Mo^{92},{, _{40}}Zr^{92} $

C) $ _{38}Sr^{81},{ _{38}}Sr^{86} $

D) $ _{20}Ca^{40},{, _{16}}S^{32} $

Show Answer

Answer:

Correct Answer: A

Solution:

These nuclei having different Z and A but equal (A ? Z) are called isotones.



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