Hexquadtrium (Hqt)

Hexquadtrium is the systematic name of the theoretical 643. element in the periodic table with a symbol of Hqt and atomic number of 643. Hexquadtrium, also known as element 643, has sechs­hundert­drei­und­vierzig protons in its nucleus, and sechs­hundert­drei­und­vierzig electrons in its shells.