Question

Why the elements of the second row show a number of differences in properties from other members of their respective families?

Answer 1

●The smaller size of the atom

●Presence of one inner shell of any two electrons

●Absence of d-orbitals

Answer 2

Answer:

Explanation:

1. Smaller Size of the electron.

2. Presence of one inner shell of any two electrons.

3. Absence of d - orbitals.