Q. Which of the following pairs of elements show diagonal relationship?
Li and Mg B and Si Mg and Al
Select the correct answer using the codes given below

 454  158 NTA AbhyasNTA Abhyas 2022 Report Error

Solution:

The first element of a group (elements of second row) often show resemblance with the second element of the next group.
Solution
This similarity arises because of their comparable (i) electronegativities, (ii) ionization energies, (iii) polarizing powers (charge/radius ratios).