Scientists have started a new periodic table for quantum dots, which they refer to as “artificial atoms.” Quantum dots are nano-sized particles that are made of semiconducting materials. Researchers ...

As promised at the beginning of the year, C&EN is continuing its celebration of the 150th anniversary of the periodic table all year long. In honor of the International Year of the Periodic Table of ...

Chemists and physicists from across the world gathered in Paris on Jan. 29 to officially launch the International Year of the Periodic Table (IYPT). The year-long celebration of the periodic table ...

At the middle of the 19th century, 63 chemical elements were known to science. Before Mendeleev’s discovery, attempts at arranging them in some logical way were made by Johann Doebereiner (1829), ...