Iron is a metallic element with the symbol Fe and atomic number 26. It has a melting point of 1811 K and a boiling point of 3134 K. Iron is one of the most widely used metals, having been used to make tools and weapons since antiquity.
1. 26
Hierro – Iron
Mass: 55,6 u
[Ar] 4s2
3d6
Melting point: 1811 K
Boiling point: 3134 K
Density: 7,87 g/cm3
Discovery: antiquity
Iron is used for making every kind of tools and weapons since
antiquity. It gives its name to a historical period: Iron Age (In Europe,
between 1200 BC and 400 AC)