Pentpenthexium (Pph)

Pentpenthexium is the systematic name of the theoretical ۵۵۶. element in the periodic table with a symbol of Pph and atomic number of 556. Pentpenthexium, also known as element 556, has پانصد و پنجاه و شش protons in its nucleus, and پانصد و پنجاه و شش electrons in its shells.