Why are elements in the tall columns of the periodic table called representative elements

In addition, the number of valence electrons present in the elements of these groups denotes the group. The valence electrons present in their elements reflect their particular group, which is why they are termed representative elements.

Explanation:

a plasma is a warm ionized gasoline consisting of approximately equal numbers of definitely charged ions and negatively charged electrons. the characteristics of plasmas are notably unique from the ones of ordinary neutral gases in order that plasmas are considered a awesome "fourth kingdom of remember."