the group, which are the elements in columns
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A family on the Periodic Table is a group of elements that share similar chemical properties due to their similar electron configurations. Each family is represented by a column on the periodic table, such as the alkali metals in Group 1 or the halogens in Group 17.
The alkaline Earth metals or beryllium family.
Selenium belongs to the chalcogen family on the periodic table. It is part of Group 16, also known as the oxygen family.
In the periodic table, a family is a group of elements that share similar chemical properties due to having the same number of valence electrons in their outer shell. Families are also known as groups and are arranged in columns on the periodic table.
The 3rd family on the periodic table is the Boron family, also known as Group 13. It includes elements such as Boron, Aluminum, Gallium, Indium, and Thallium. These elements have three valence electrons.
Vertical columns in the periodic table are also known as the families. All the elements belonging to the same family have almost same chemical properties.For example group 15 is known as Nitrogen family.