The periodic table is getting an update. The International Union of Pure and Applied Chemistry announced that four new chemical elements have been assigned atomic numbers 113, 115, 117 and 118.

The periodic table of elements classifies elements according to patterns in properties. ... iron, zinc and gold. As we go to the right, the elements ...

Since the invention of the periodic table 150 years ago this month, ... That the elements up to iron were cooked up in stars has been more or less settled for decades, ...

In the 1980s and 1990s, Roberto noted, scientists at the GSI Helmholtz Centre for Heavy Ion Research in Darmstadt, Germany, ran “cold fusion” experiments that extended the periodic table from element ...

The periodic table currently has 118 chemical elements (SN: 11/30/16). The five heaviest elements were all produced using a beam of calcium-48. That’s a variety, or isotope, of calcium with 28 ...

Elements in the periodic table are arranged in order of increasing atomic number. The atomic number represents the number of protons in an atom's nucleus, uniquely identifying each element.