Penthexhexium (Phh)

Penthexhexium is the systematic name of the theoretical 566-и element in the periodic table with a symbol of Phh and atomic number of 566. Penthexhexium, also known as element 566, has петстотин шейсет и шест protons in its nucleus, and петстотин шейсет и шест electrons in its shells.