About the student asking the question: She is a sophomore at Corning-Painted Post. Leah wants to be a physical therapist. She enjoys swimming, music, drama, hiking, and visiting national parks.

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 ...

The iconic chart of elements has served chemistry well for 150 years. But it’s not the only option out there, and scientists are pushing its limits. By Siobhan Roberts When Sir Martyn Poliakoff, a ...

Back in 1869, the great Russian chemist Dmitri Mendeleev noticed periodic trends in the properties of the elements that he was studying. Mendeleev realized that by identifying these trends and ...

Looking at the periodic table, most of us have no issues identifying the use of certain elements. Sodium, carbon, nitrogen, oxygen and others are no-brainers but what about the less talked about ...

You probably studied the "regular" periodic table in school—but did you know there are more versions of the periodic table than just the one you know? The periodic table of elements has gone through ...

“LA république n’a pas besoin de savants ni de chimistes.” With that curt dismissal a court in revolutionary France cut short the life of Antoine-Laurent de Lavoisier, argued by some to be the ...