symbol
A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship. Symbols allow people to go beyond what is known or seen by creating linkages between otherwise very different conc ...
first transition series
In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic table (groups 3 to 12), though the elements of group 12 (and less often group 3) are sometimes excluded. They are the elements that ca ...
and
group 8 Group 8 may refer to:
* Group 8 element, a series of elements in the Periodic Table
* Group 8 Rugby League, a rugby league competition
* Group 8 (Sweden), a feminist movement in Sweden
* Group VIII, former nomenclature for the noble gas
The nob ...
of the
periodic table
The periodic table, also known as the periodic table of the (chemical) elements, is a rows and columns arrangement of the chemical elements. It is widely used in chemistry, physics, and other sciences, and is generally seen as an icon of ch ...