You're listening to Chemistry in its element brought to you by Chemistry World, the magazine of the Royal Society of Chemistry. For the human brain, iron is essential yet deadly. It exists on Earth ...

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.

Iron is the main ingredient in various forms of iron and steel, but the various types of metals contain other elements as well. Sometimes these elements are unwanted; other times they're ...

Evolution has made intriguing choices in selecting the elemental components of ... a group of elements clustered in the early part of the periodic table—carbon, nitrogen, oxygen and phosphorus ...

These elements tend to come from two specific areas of the periodic table: the d-block metals like cobalt, nickel, and iron, and the f-block actinides lanthanides, which include the rare-earth ...