Question

What do you mean by diagonal relationship?

Answer 1

A diagonal relation on a set A is the relation ∼ defined by

x∼y if and only if x=y.

It is called a diagonal relation because if you draw the Cartesian product X×X, the points in the relation are precisely the points on the diagonal of the diagram.

The diagonal relation is always an equivalence relation; in particular, it is reflexive. A relation is reflexive if and only if it includes the diagonal relation as a subset.

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Answer 2

Hey, here is your answer -

Diagonal relationship is defined as the exist between certain pair of diagonally adjacent elements in the second and third periods of the periodic table.It's pair exhibit similar properties.

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