Question

What do we mean by diagonal relationship

Answer 1

A diagonal relationship is said to exist between certain pairs of diagonallyadjacent elements in the second and third periods of the periodic table.
These pairs (lithium (Li) and magnesium (Mg), beryllium (Be) and aluminium (Al), boron (B) and silicon (Si) etc.) exhibit similar properties; for example, boron and silicon are both semiconductors, forming halides that are hydrolysed in water and have acidic oxides

Answer 2

Diagonal relationship: Some elements of a certain group in the second period resemble with the certain elements of the next higher group in the third period
Example; lithium and magnesium ...


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