Penthexseptium (Phs)

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