Pentpenthexium (Pph)

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