Penthexseptium (Phs)

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