Question

which is diagonal relstionship? give one pair of
elements, that have this relation​

Answer 1

Answer:

Lithium (Li) and Magnesium (Mg), Beryllium (Be) and Aluminium (Al), Boron (B) and Silicon (Si) etc..

Explanation:

A diagonal relationship is said to exist between certain pairs of diagonally adjacent elements in the second and third periods (first 20 elements) of the periodic table.