Question

What is diagonal relationship? Give a pair of elements having diagonal relationship
Why do they show this relation?
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Answer 1

Answer:

Adiagonal relationship is said to exist between certain pairs of diagonally adjacent elements in the second and third periods of the periodic table. These pairs exhibit similar properties; for example, boron and silicon are both semiconductors, forming halides that are hydrolysed in water and have acidic oxides.

Answer 2

Explanation:

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Such a relationship occurs because crossing and descending the periodic table have opposing effects. On crossing a period of the periodic table, the size of the atoms decreases, and on descending a group the size of the atoms increases

A diagonal relationship is said to exist between certain pairs of diagonally adjacent elements in the second and third periods of the periodic table