They are called Transition Elements are they are all made up of metals.
The Communist's Periodic Table of Elements:)Couldn't Resist
Scientists call columns on the periodic table "groups" or "families." These columns contain elements with similar chemical properties due to their shared number of valence electrons.
The vertical sections of the periodic table are called groups or columns.
Chemists call this the periodic table of elements.
The Periodic Table of Elements
The elements are arranged in what is called the periodic table.
Groups, 1 through to 8 (or 0) The internet will tell you details about the individual groups. P.S. The rows are called periods
The "Periodic Table".
The term used in Groups. It is sometimes called Family.
Vertical columns of elements in the periodic table are called groups or families. Elements within the same group have similar chemical properties due to their similar electron configurations.
The Periodic Table is arranged like it is for a specific reason. It is probably called the Periodic Table because it is made up of "periods" or horizontal rows.
Horizontal rows are called periods. There are 7 periods in periodic table.