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 ...

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 ...

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 an element. It is made of only one type of ... in aluminium foil which are all the same as each other. The periodic table can be divided into metals and non-metals. Metals are found ...

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

These are almost one-quarter of the periodic table and are mainly ... 2026 The remaining 17 are trace elements needed in very small quantities. For example, iron is necessary for producing ...

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 ...