Hexhexpentium (Hhp)

Hexhexpentium is the systematic name of the theoretical 665. element in the periodic table with a symbol of Hhp and atomic number of 665. Hexhexpentium, also known as element 665, has seks­hundrað­og­seksti­fimm protons in its nucleus, and seks­hundrað­og­seksti­fimm electrons in its shells.