Humans are made of many chemical elements that work together ... elements cannot complete the whole puzzle of life. Our bodies require other elements, including non-metal elements such as ...

as with the atoms of another element. Thus e. g. a carbon-atom has to another carbon-atom the greatest affinity, forming the many thousands of carbon-compounds of organic life. Silicon is ...

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 ...

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 ...

A chemical element is one of those squares on the periodic table that adorns many a classroom wall. Sure. But what is an element really? It is a more subtle question that you might realise.