Hexhextrium (Hht)

Hexhextrium is the systematic name of the theoretical 663. element in the periodic table with a symbol of Hht and atomic number of 663. Hexhextrium, also known as element 663, has εξακόσια εξήντα τρία protons in its nucleus, and εξακόσια εξήντα τρία electrons in its shells.