IRON

The iron is a chemical element of atomic number 26. His symbol is A Faith (of the Latin ferrum).
It is the most abundant fourth element in the terrestrial bark, representing 5 % and, between the metals, only the aluminium is more abundant. He is in the Sun and many types of stars. It is one of the most important elements of the Universe, and the core of the Earth is formed principally by iron .Es so importantly that there is an Age of Iron.
The iron was discovered in the prehistory and it was used as adornment and to make weapon. In Greece it began to use for 1000 B.C.
Information obtained of: www.wikipedia.com and www.webelements.com