In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue explores how the periodic table of elements took shape. Learn how the periodic table ...

Hydrogen’s atomic number is 1, helium’s is 2, lithium’s is 3 and so on. Each of the 18 columns in the table is called a group or a family. Elements in the same group share similar properties.

It is called the periodic table of the elements. The sequence begins with hydrogen (at the center of the spiral), which is the first and simplest element.

As of 2019, the Periodic Table of the Elements has been around for 150 years. Maybe you've felt a certain chemistry with 2019 but don't know why? Maybe it's because this year marks the 150th ...

Science News sponsorship position. 1803 John Dalton (left), an English schoolteacher, compiles the first table of atomic weights for various elements, using units where the atomic weight of ...

The periodic table lists 118 different chemical elements. And yet, for thousands of years, humans have really, really liked one of them in particular: gold. A chemist explains.

Despite the handy chart that is the Periodic Table of Elements, memorizing the properties of each chemical element is not always an easy task for visual learners. But Bunpei Yorifuji’s Wonderful ...