Ferro Carril Oeste De General Pico
Ferro may refer to: *Iron as in a Ferromagnetic material *Ferro (architecture), a wrought-iron architectural element *Ferro Carril Oeste, an Argentinian football team *Ferro (Covilhã), a civil parish in the municipality of Covilhã, Portugal * Ferro Meridian, an alternative prime meridian through El Hierro *Ferro Lad, comic book superhero *Ferro (footballer) *Ferro (surname) *Ferro Watch Ferro may refer to: *Iron as in a Ferromagnetic material *Ferro (architecture), a wrought-iron architectural element *Ferro Carril Oeste, an Argentinian football team *Ferro (Covilhã), a civil parish in the municipality of Covilhã, Portugal * Fer ...

Iron
Iron () is a chemical element with symbol Fe (from la, ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. 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 and inner core. It is the fourth most common element in the Earth's crust. In its metallic state, iron is rare in the Earth's crust, limited mainly to deposition by meteorites. Iron ores, by contrast, are among the most abundant in the Earth's crust, although extracting usable metal from them requires kilns or furnaces capable of reaching or higher, about higher than that required to smelt copper. Humans started to master that process in Eurasia during the 2nd millennium BCE and the use of iron tools and weapons began to displace copper alloys, in some regions, only around 1200 BCE. That event is considered the transition from the Bronze Age to the Iron A ...
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