The periodic table of elements—also known as Mendeleev’s table—was developed in 1869 by Russian chemist Dmitri Mendeleev. It organizes all known chemical elements by their atomic number ...

The elements on the periodic table of elements are listed in ways that emphasize certain relationships. There are families, periods (the horizonal rows) and groups (the vertical columns).

The elements, discovered by researchers from Japan, Russia, and the United States, are known by their atomic numbers of 113, 115, 117, and 118. They will be given permanent names soon, according ...

The iconic periodic table of elements, devised in rudimentary form by the Russian chemist Dmitri Mendeleev, has since evolved into a two-dimensional array of the chemical elements ordered by ...

Gallium is one of the most mind-blowing elements on the periodic table, and this video will take you deep into its strange ...

The periodic table stares down from the walls of just about every chemistry lab. The credit for its creation generally goes to Dimitri Mendeleev, a Russian chemist who in 1869 wrote out the known ...

The periodic table has become an icon of science. Its rows and columns provide a tidy way of showcasing the elements — the ingredients that make up the universe. It seems obvious today, but it ...

Periodic table by Mendeleev, 1871. He, his papers and his table garnered a lot of attention and accelerated progress in our collective understanding of the elements and their relationships to each ...

Why do the atomic weights on the periodic table keep changing? Kit Chapman meets the team behind the decimal places ...

Periodic Table Day is celebrated every year on … well, we'll let you figure that out in the quiz just below! Plenty of folks have a fascination with the periodic table all year long.

The team of physicists from The University of Arizona say they were motivated by the possibility of Compact Ultradense ...