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.

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

"You have to understand that in my field of biochemistry and bioinorganic chemistry, in medicine and in life, iron is a trace element. These are elements that are present only in small amounts ...

As members of the same periodic group ... an enzyme that contains two iron-sulfur [Fe-S] clusters and SAM. In biotin synthase, the chemical properties of sulfur, which feature in both SAM and ...