Penthexseptium (Phs)
Penthexseptium is the systematic name of the theoretical 567वाँ element in the periodic table with a symbol of Phs and atomic number of 567. Penthexseptium, also known as element 567, has पाँच सौ सड़सठ protons in its nucleus, and पाँच सौ सड़सठ electrons in its shells.