The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...

The National Academy of Sciences added a “foreign associate” to its goodly company: Russian physicist Peter Kapitza, Hero of Socialist Labor. He was worthy of the honor. Besides a monster string of ...

To celebrate National Chemistry Week, which runs from Oct. 20-26, we asked a bunch of scientists, with help from the American Chemical Society, what their favorite periodic element is, and why. A ...