Penthexseptium (Phs)
Penthexseptium is the systematic name of the theoretical 567ste element in the periodic table with a symbol of Phs and atomic number of 567. Penthexseptium, also known as element 567, has vyfhonderd sewe-en-sestig protons in its nucleus, and vyfhonderd sewe-en-sestig electrons in its shells.