The researchers measured the degradation of platinum electrodes in electrolytes containing different cations, which are atoms with positive charges, from the same group of the periodic table ...

Platinum (atomic number 78), for instance ... A lesson guide to the periodic table “There’s now enough junk in the disc that you can form planets,” said Jennifer Johnson, an astronomer ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

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 ...