The columns are called groups. They are also called families. There are 18 groups in Periodic Table.
A column is known as a group in Periodic Table. There are 18 groups in the modern setting of periodic table. Elements in the same group usually share same chemical properties and striking physical characteristic trends.
Representative elements
groups
A group in the periodic table is a column of elements that share similar chemical properties due to having the same number of electrons in their outer energy level. Groups are vertical columns and are numbered from 1 to 18.
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A group of elements.
hydrogen
Chemical properties.
groups
groups or family:))
Yes, it is.
A vertical column is called a 'group.' A horizontal row is called a 'period,' thus the periodic table.
In the Periodic Table of the Elements, a column (group) contains all elements that exist with the group number of electrons in the outer energy level of an atom of that element.