In the 1860s, the chemists, Lothar Meyer and Dmitri Mendeleev, independently presented the first periodic system. Since then, the well-known tabular arrangement of the elements has been the guiding ...
This release is available in German. IUPAC accepted the name proposed by the international discovering team around Sigurd Hofmann at the GSI Helmholtzzentrum. The team had suggested "Cp" as the ...
Albert Einstein photographed on a trip to America in the wake of his Nobel prize-winning discoveries. Harris & Ewing/PICRYL A century ago, an upstart German physicist by the name of Albert Einstein ...
A basic building block of matter. There are 118 chemical elements, 94 of which occur in nature. The additional 24 are created in labs. See rare earth elements and isotope. THIS DEFINITION IS FOR ...