Question

Alkaline earth metals belong to s block in the periodic table. justify​

Answer 1

Answer:

These elements belonging to the Group IIA in the s block NCERT are called alkaline earth metals. They have an ns2 valence electronic configuration. It means that they have two electrons in the outermost shell.

Explanation:

Answer 2

Answer:

The s-block elements having only one electron in their s-orbital are called group one or alkali metals whereas the s block elements having two electrons filling their s-orbital are called group two or alkaline earth metals.