The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...

Everything around us is built from sets of chemical elements. From the air we breathe to the jewelry we wear. All of these elements can be found on the periodic table that we’ve all had a chance to ...

The periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be hard to overstate its importance ...

For now, they're known by working names, like ununseptium and ununtrium — two of the four new chemical elements whose discovery has been officially verified. The elements with atomic numbers 113, 115, ...

To expand the periodic table, it might be time to go titanium. A new study lays the groundwork to expand the periodic table with a search for element 120, to be made by slamming electrically charged ...

If you ever want to open a chemistry theme restaurant, you should be sure to furnish it with 118 tables — one for each element. Note that it could not be a Greek restaurant, because then the number of ...

It says something about Dmitri Mendeleev that he had an easier time keeping track of the number of protons in the nucleus of an atom than the number of brothers and sisters living under his roof. The ...

Since the invention of the periodic table 150 years ago this month, scientists have worked to fill in the rows of elements and make sense of their properties. But researchers have also pursued a ...

Hydrogen is by far the most abundant element in the universe. It constitutes roughly 90 percent of atoms in the Sun and in most stars. Helium ranks second, with nearly 9 percent. This leaves only 1 ...

If you were to take every element in the periodic table and order them by how abundant they are in the Universe, you'd find something a little bit surprising. The most common element is hydrogen, ...