The periodic table of elements that most chemistry books depict is only one special case. This tabular overview of the chemical elements, which goes back to Dmitri Mendeleev and Lothar Meyer and the ...

"This video explores the electronic structure of an atom. Electrons are arranged in energy levels or shells around the nucleus, and each shell can hold a maximum number of electrons. Using the ...

Nearly 150 years after gallium was first discovered and added to the periodic table, scientists at the University of Auckland ...

Since the turn of the century, six new chemical elements have been discovered and subsequently added to the periodic table of elements, the very icon of chemistry. These new elements have high atomic ...

This illustration shows a typewriter with the keys depicted as the periodic table. Hands are typing on it, and the sheet of paper coming out of it shows the words "Tales from the table." Credit: Chris ...

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 See more of our coverage in your ...