The periodic table of the elements isn't as confusing as it looks. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists had a ...

Discover the history, structure, and importance of the periodic table of elements, from Mendeleev’s discovery to modern scientific applications.

Learn what the properties of metals are and the metals and non-metals on the periodic table in this KS3 Chemistry revision guide.

Organization of the Periodic Table: Periods and families in the periodic table are described. Students learn to determine the number of energy levels and valence electrons in an atom of an element ...

Transparent aluminum, malleable gold, and other substances on the periodic table have some extreme properties.

Contrary to schoolyard rumors, no one created the periodic table just to torture you—it all started with the elements. As early as 330 BCE, Aristotle created a four-element table: earth, air ...

The organized rows and columns of the Periodic Table hide a rich and twisting history.

Eric Scerri, a UCLA chemistry lecturer, has written at least six books discussing the orientation of the periodic table. His office is cluttered with posters and three-dimensional models of ...

If you are intimidated by the periodic table, then this introduction through the first column of elements will give you a feel for how and why the elements are arranged in this order.