Iron Hat

Iron () is a chemical element with

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 ...

Fe (from la, ferrum) and atomic number 26. It is a metal that belongs to the

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 ...

. It is, by mass, the most common element on Earth, right in front of oxygen (32.1% and 30.1%, respectively), forming much of Earth's

outer {{Short pages monitor Building materials Pyrotechnic fuels Chemical elements with body-centered cubic structure Native element minerals