Published by:
CGP EDU Academic Team
Published on: August 13, 2026
In the two elements, 
and 
, the following relations are true. 
and 
but 
. These elements are ( 
is atomic weight, 
is aomic number)
Text Solution
Verified by ExpertsThe correct answer is:
A
Number of neutrons = atomic weight (M) - atomic number 
So, both elements are isotonic.
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