Penthexhexium (Phh)

Penthexhexium is the systematic name of the theoretical 566. element in the periodic table with a symbol of Phh and atomic number of 566. Penthexhexium, also known as element 566, has חמש מאות שישים ושש protons in its nucleus, and חמש מאות שישים ושש electrons in its shells.