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 ...

I highly recommend Wonderful Life with the Elements as a companion to the science classroom. Our world, everything we know, can be distilled into 188 elements. The very thought is fascinating in its ...

A computer graphic shows how the collision of calcium ions and berkelium atoms produces atoms of Element 117. (Credit: University of California Television) The scientific body in charge of chemistry’s ...