Question

Why a particular element belong to its characteristic group?? ​

Answer 1

Answer:

The periodic table also has a special name for its vertical columns. Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.

Answer 2

answer --

the periodic table also has a special name for its vertical columns . each column is called group. the elements in each group have the same number of electrons in the outer orbital . those outer electrons are also called Valence Electrons ......