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 վեց­հարյուր վաթսուն­երեք protons in its nucleus, and վեց­հարյուր վաթսուն­երեք electrons in its shells.