For example, the element symbol for iron is Fe, from the latin word ferrum for iron. On the periodic table, metals are found on the left and in the middle, and non-metals are on the right.

For the human brain, iron is essential yet deadly. It exists on Earth mainly in two oxidation states - FeII and FeIII. FeIII is predominant within a few meters of the atmosphere which about two ...

Minerals formed from iron-rich magma contain concentrations ... The elements from lanthanum to lutetium on the periodic table, plus scandium and yttrium are collectively known as “rare earths”.