Iron is a metallic element with the symbol Fe and atomic number 26. It is the most common element on Earth by mass, and it is essential for life. Iron is used in a wide variety of applications, including construction, transportation, and manufacturing.
The word “iron” comes from the Old English word “iren”, which is thought to be derived from the Proto-Indo-European word “hes-“. The word “iron” has been used to refer to the element iron for over 2,000 years.