Hexquadtrium (Hqt)

Hexquadtrium is the systematic name of the theoretical ۶۴۳. element in the periodic table with a symbol of Hqt and atomic number of 643. Hexquadtrium, also known as element 643, has ششصد و چهل و سه protons in its nucleus, and ششصد و چهل و سه electrons in its shells.