The similarity between Li to group 1 and Mg of group 2 is called a diagonal relation. It arises because

The elements of group-2 are called alkaline earth metals because

There is a striking similarity between Li and Mg. Account for it.

Li resembles Mg this is called diagonal relationship which is attributed to

VI A group elements are called chalcogens. This is because

Mention one similarity in property of Li and Mg which are diagonally related.

In the periodic table, the relation between Li-Mg, Be-Al, B-Si is called diagonal relationship. These pairs of elements show similarities. The factor responsible for this is

The elements of group 1 are called alkali metals because