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 ...

Everything around us is built from sets of chemical elements. From the air we breathe to the jewelry we wear. All of these ...

NASHVILLE, Tenn. (WTVF) — Clarice Phelps is the first Black woman to help discover a new periodic table element. "Taking a seat at the periodic table didn't happen overnight, it was actually a 20-year ...

Uranium is a naturally occurring radioactive element, which has the atomic number of 92 and corresponds to the chemical symbol U in the periodic table. It belongs to a special group of elements called ...