Memorizing the periodic table doesn’t have to be overwhelming. With the right mix of structure, memory tricks, and active practice, you can turn it into an engaging challenge. From chunking elements ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

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 ...

The orderly periodic table—often printed with just the chemical symbol and atomic weight of its 118 elements—doesn't quite manage to convey to nonscientists the richness of what these substances bring ...

Recognize these rows and columns? You may remember a detail or two about this mighty table’s organization from a long-ago chemistry class. Elements are ordered according to their number of protons, or ...