Penthexseptium (Phs)

Penthexseptium is the systematic name of the theoretical 567-и element in the periodic table with a symbol of Phs and atomic number of 567. Penthexseptium, also known as element 567, has петстотин шейсет и седем protons in its nucleus, and петстотин шейсет и седем electrons in its shells.