question_answer

Beryllium shows diagonal relationship with :

A)  Mg                                       

B)  Na

C)  B                                           

D)  Al

Correct Answer: D

Solution :

                The elements of II period show similar properties as the elements of III period, which are diagonally placed to them. This is known as diagonal relationship. Hence, Li shows diagonal relationship with Mg and Be shows diagonal relationship with Al.