This year marks the 150th anniversary of the publication of Mendeleev’s Periodic Table of Chemical Elements in 1869. In celebration, the United Nations Educational, Scientific, and Cultural ...

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.

Some substances, like particles of this iron ... heaviest elements are made by humans using nuclear reactions, but these elements cannot be seen in this version of the periodic table.

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 ...

Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are ... For example, iron is necessary for producing ...