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Bill W

Bill W 47,451

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The word “iron” comes from the Anglo-Saxon word “iren”. It may have originated from earlier words that meant “holy metal” because iron was used to make swords for the Crusades. Some linguists also speculate that the word “iron” comes from the Etruscan word aisar, which means “gods”. 
 
The symbol “Fe” for iron comes from the Latin word ferrum, which also means “iron”. The word “ferrous” also comes from the Latin word ferrum. 
 
The word “iron” was first recorded before 900. It was used as both a noun and an adjective in Old English. 
  • Iron is abundant: Iron is the second most abundant metal on Earth, making up about 80% of the planet's inner and outer core. 
     
  • Iron is magnetic: Iron is the most naturally magnetic element on the periodic table. 
     
  • Iron is in the human body: About 70% of iron in the human body is in red blood cells' hemoglobin. Iron and oxygen in the blood interact to give blood its red color. 
     
  • Iron is in Mars: The surface of Mars is red due to iron oxide, or rust, which is made from iron and oxygen. 
     
  • Iron is in steel: Steel is an alloy of iron and carbon, sometimes with other metals to prevent corrosion. 
     
  • Iron is in meteorites: Iron is the main component of meteorites. 
     
  • Iron is in minerals: Iron is found in minerals like hematite, magnetite, and taconite. 
     
  • Iron is a transition metal: Iron is a transition metal because it has an incompletely filled d-subshell. 
     
  • Iron is important for health: Iron is essential for many bodily functions, including oxygen transport and energy metabolism. Iron deficiency can cause brain fog and anemia. 
     
  • Iron's name comes from Latin: The symbol for iron, "Fe", comes from the Latin word ferrum, which means "iron" or "holy metal". 
     
  • Iron's use in history: The Iron Age began around 1200 BCE, when iron tools and weapons became widespread. 
 
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