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 šesť­sto štyridsať­tri protons in its nucleus, and šesť­sto štyridsať­tri electrons in its shells.